HomeMy WebLinkAboutSite Certifications - 09/09/2022Page 1
OVERALL SITE and DRAINAGE CERTIFICATION
Commercial, Multi-Family and Subdivision Certification Form and Checklist
Project Name:
Date:
Building Permit Numbers:
(Commercial or multi-family)
Per the requirement in Fort Collins Stormwater Criteria Manual (FCSCM) Chapter 3, Section 3.0 to certify as-
built construction to the approved drainage and grading plans, please fill in all applicable items in this
Certification Form for Commercial, Multi-Family and Overall Single Family sites. NOTE: several items must be
verified during construction. A copy of the approved grading plan must be submitted with the as-built grading
plan. (As-built elevations must be written in red next to the approved elevations.)
•Use “Yes” for items completed as described.
•Use “N/A” for items that are not applicable to the site being certified.
•If any blanks are “No,” attach an explanation referencing the item number below.
Attach an explanation or description of the as-built condition for any items listed or for anything not listed but
shown on the approved construction plans.
Provide an as-built redline or Mylar drawing with the following:
I.Water Quality and Quantity Detention Basin - FCSCM Ch. 6 and 7
For multiple detention basins on a site, provide the following for each basin separately:
A. Volume: As-built topographic verification is attached at 1-foot (or less) contour intervals and
volume verification calculations for the water quality capture volume and the 100-year detention storage
volume.
1. Detention basin topography was prepared by a professional land surveyor registered in the state
of Colorado.
2.Both proposed and as-built contours are shown on the same plan sheet (dashed lines for
proposed and solid lines for as-built).
3.All critical spot elevations as shown on the approved construction plans have been verified and
the as-built elevations are shown on the plan sheet.
4.Stage-storage-discharge tables are provided on a separate document.
5.Verification that designed drain time is in compliance with Colorado Revised Statute § 37-92-
602(8) is attached and has been uploaded to the Statewide Compliance Portal
(tinyurl.com/COCompliancePortal) for approval. Uploaded documents must include:
a.The cover sheet from the approved drainage report
b.The stamped certification page from the approved drainage report
c.As-built topographic survey
d.Stamped certification page from the Overall Site & Drainage Certification
e.PDF output from the Stormwater Detention and Infiltration Design Data Speadsheet
11/19
Wes Lamarque
9/9/2022
Page 2
B.Water Quality and Quantity Detention Basin Grading: Attached is as-built verification that there is
a minimum 2% positive fall into the concrete trickle pans or flow-line(s) from all areas in the bottom of
the detention pond. If there is a “soft pan” in the flow-line, all areas still must meet the minimum 2%
grade requirement.
1.Low Flow: Choose one of the following detention basin low flow options as applicable:
a. Turf swale for low flow path in detention basin.
There is a minimum 2% grade in the flow-line(s) of the detention basin. The flattest as-built grade
is .
b.Concrete pan for low flow in detention basin.
There is a concrete pan installed that meets the grades as shown on the approved construction
plans. (Show as-built spot elevations.)
c.Soft pan for low flow in detention basin.
•Verify and document the soft pan material gradation, trench width and depth - to be verified
during construction by engineer. Picture documentation is preferred or engineer’s statement of
visual inspection and compliance. (Choose one below.)
o There is a soft pan with an underdrain installed that meets the design on the approved
construction plans. (Show the underdrain grades, bedding material, geotextile, spot elevations,
bends, cleanouts, etc.)
o There is soft pan installed without an underdrain but there is a type A or B soil. The soil
type must be documented by supplying verification from a registered professional geotechnical
engineer.
NOTE: Spot elevations are to be within 0.2 ft. +/-.
2. Side Slopes: The as-built side slopes of the detention basin have been calculated and are shown.
Indicate the side slope with an arrow and a numerical value (e.g., 6.25:1). The maximum slope allowed
is 4:1. Small areas of 3:1 may be acceptable, but slopes steeper than 3:1 must be stabilized or re-
graded. Provide documentation if a variance was granted for steeper slopes during the design process.
3.Spillway: The following items must be field verified:
a.The location of the spillway is indicated on the as-built plan.
b.The width of the spillway is indicated on the as-built plan.
c.The elevation(s) of the spillway is shown on the as-built plan.
d.A concrete ribbon defines the location and grade of the spillway.
e.There is downstream scour protection in the spillway as per the construction plans. Indicate
type: (riprap size “D50” gradation and bedding type, geotextile, buried
riprap with inches of bury, etc.).
f.There are no obstructions in the spillway, such as trees, bushes, sidewalks, landscape
features, rocks, etc.
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Page 3
4.Outlet Structure:
a.The orifice plate for the approved release rate is installed with the correct size and location of
the orifice.
b.The orifice plate for the water quality outlet is installed with the correct hole size, number of
rows and columns of holes.
c.The bottom hole on both the water quality and quantity outlets are at the bottom of the plate
so no water ponds in front of the plate.
d.The well screen is the correct material and is installed as shown on the construction plans.
e.100-year overflow grate elevation is . (Elev. A on detail D-46)
f.The top elevation of the water quality capture volume is . (Elev. B on detail
D-46)
g.Overflow grate is made of the correct material, has the correct bar spacing, is hinged at the
top and bolted at the bottom.
h.The bottom of the outlet box has no obstructions or misalignments that will cause it to retain
runoff water and is sloped at 2% towards outlet.
II.Channels/Swales - FCSCM Ch. 8, Sec. 2.0 and Ch. 9, Sec. 5.0
A. Capacity: The as-built capacity of all the major channels and swales has been verified. They meet
or exceed capacity requirements shown in the approved drainage study for this project.
1.All swales are located within the drainage easements as shown on the construction plans.
2.Longitudinal slopes and side-slopes (cross-sections) have been verified. Design criteria requires
longitudinal slopes of 2% min. (on vegetated swales) and side-slopes no steeper than 4:1. If these
criteria are not met, the certification engineer will write a justification and propose mitigation for each
instance or have the issues corrected. If variances to these criteria have previously been approved and
are shown on the construction plans, no justification is needed.
3.As-built spot elevations on channels/swales are shown that correspond to spot elevations
shown on the approved construction plans.
4.All permanent erosion control measures are installed as shown on the approved construction
plans (e.g., drop structures, riprap, TRMs, etc.). (Include pictures and verification of the materials used
as part of this verification.)
5.All pans, curbs, storm pipes or other appurtenances appropriately tie into each other in the
system. (Pictures at tie-in points suggested.)
6.The minimum freeboard is provided for all channels and swales as shown on the approved
construction plans or as identified in the approved drainage study. (Show the freeboard provided on
the cross-sections as on the construction plan set or attached as separate documentation.)
7.The low flow portion of all channels or swales is clear of obstructions. (No landscaping, trees,
shrubs, sod, etc. infringe on the low flow portion of channels or swales.)
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Page 4
III.Storm Pipes (aka storm drains) - FCSCM Ch. 9, Sec. 4.0
A. Storm Drain Pipe Capacity: The as-built capacity of all pipes installed on this project has been
verified and meets or exceeds the capacity requirements shown in the approved drainage study for this
project.
1.All storm drain pipe sizes and materials have been verified and are in conformance with the
approved construction plans. (Indicate on the plan and profile sheets that they have been verified.)
Material and size substitutions must be approved prior to installation. If a pipe size or material was
changed during construction, the certification engineer must attach the approval documents or supply
them with this certification. Approval documents must include a calculation documenting the capacity
equivalency (equal or greater) of the substituted size.
2.The longitudinal slope of the pipe is as shown on the approved construction plans. The
acceptable minimum slope is 0.4%. All slopes flatter than the designed slope on the construction plans
must be justified with capacity calculations on an attached sheet.
3.The as-built invert elevations have been verified and are shown on the plan and profile sheets of
the approved construction plans.
B.Storm Drain Pipe Installation Requirements: All pipes are installed in accordance with the
approved construction plans and construction specifications.
1.The minimum cover requirements for all pipes have been met as shown on the approved
construction plans. These will be called out in critical locations.
2.All encasements and clearances as specified on the approved construction plans have been met.
3.Any specific joint types or construction methods specified on the approved construction plans
have been met. (List on a separate sheet and attach to this certification.)
IV.Concrete Pans - FCSCM Ch. 8, Sec. 2.0
A. Construction/Installation: All concrete pans have been constructed in accordance with the
approved construction plans.
1.The concrete pans are the correct size/width as shown on the approved construction plans.
2.The longitudinal slopes of the pans are as shown on the approved construction plans. The
certification engineer must justify or mitigate longitudinal slopes less than the minimum of 0.4% unless
a flatter slope was approved and is shown on the approved construction plans. Provide mitigation or
justification by separate document.
3.The cross-section of the pan is as shown on the construction plans. (Specifically, the pan cross-
section is “V” shaped and meets the side slope shown on the detail.)
4.The concrete pans are a minimum of 6 inches thick without reinforcement and a minimum of 4
inches thick with a minimum of 6X6-W14xW14 reinforcement per detail D20B and D20C. (Provide
documentation of the reinforcement used if different than shown on the details or on the approved
construction plans.)
5.The spot elevations shown on the concrete pan(s) have been verified and are shown on the as-
built drawings.
11/19
Page 5
V. Storm Drain Inlets - FCSCM Ch. 9, Sec. 3.0
A. Construction/Installation: All storm drain inlets have been constructed in accordance with the
approved construction plans and construction specifications.
1.The size and type of inlets are consistent with the inlets shown on the approved construction
plan. Indicate by writing “Verified” on each inlet on the plan sheet or list on a separate document the
inlet number(s), type and size (length). If the inlet installed is other than the one on the approved
construction plan detail sheet, provide the name and source of the detail with justification for equal or
better capacity.
2.The size of the inlet opening is consistent with the approved detail. (Check height and width.)
3.The elevation of the grate (if applicable) is at the elevation shown on the street profile or as
indicated by a spot elevation on the construction plans.
4.The as-built invert elevations of all pipes entering and leaving the inlet are shown on the plan
and profile sheets within construction tolerance of 0.2 feet. If substantially different, provide
justification and capacity calculations to show the capacity is not affected or propose mitigation.
5.The as-built size of the inlet box is as shown on the construction plans or an explanation or
justification is attached.
6.All Type C, R, 13 and 16 inlet covers are stenciled or stamped with the following designation (or
an equivalent): NO DUMPING – DRAINS TO POUDRE RIVER.
VI.Culverts - FCSCM Ch. 9, Sec. 4.0
A. Construction/Installation: All culverts have been constructed and/or installed in accordance with
the approved construction plans and construction specifications.
1.All culvert sizes have been verified as indicated on the as-built construction plans as correct.
2.The culvert material type for all culverts installed is as on the approved construction plans and is
indicated on the as-built plans.
3.The as-built invert “in and out” elevations have been verified and are indicated on the as-built
construction plans.
4.The culvert headwalls or wing walls have been installed as shown on the approved construction
plans. Headwalls or wing walls may be needed in the as-built conditions onsite if the slopes adjacent to
the culvert are greater than 4:1. Please note areas needing stabilization in the certification narrative.
An alternative to consider is a turf reinforcement mat (TRM).
VII.Sub-Drains
A. Construction/Installation: All sub-drains shown on the construction plans have been installed in
accordance with those plans and the construction specifications. Sub-drains installed with the sanitary
sewer are to be verified on the sanitary sewer plan and profile sheets of the construction plans. (NOTE:
Indicate any sub-drains installed after the plans were approved on the as-built plans.)
1.The size of the sub-drains are as approved on the construction plans and are indicated on the as-
built plans.
2.The type of sub-drain, in particular the perforated and non-perforated sections of the drain, are
as indicated on the approved construction plans.
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Page 6
3.The cover requirements per the construction plans are provided.
4.The cleanouts have been installed at the locations shown on the construction plans and are
accessible for cleaning. (Cleanouts can be buried a maximum of 6 inches deep with their locations
marked.)
5.The backfill materials for sub-drains are as shown on the approved construction plans. (This
includes the type, depth and width.)
6.The geo-textile liner completely wraps the sub-drain and the permeable backfill material unless
shown otherwise on the approved construction plans. (Sub-drain pipe wrapped in a sock filter material
is accepted only if approved prior to installation.)
VIII.Curb Cuts
A. Construction: All curb cut openings are constructed in accordance with the approved construction
plans and construction specifications.
1.The size (width) of the curb cut opening is as shown on the approved construction plans.
2.The curb cut openings tie into a downstream swale, pipe, or other appurtenances with a smooth
transition and there no obstructions such as riprap or sod impeding the flow downstream of the curb
cut.
IX.Sidewalk Culverts & Chases
A. Construction/Installation: All sidewalk culverts have been installed at the locations shown on the
approved construction plans.
1.The size (width and length) of the culverts are as shown on the approved construction plans.
2.The cover plate is a minimum 5/8-inch galvanized plate bolted to a galvanized angle iron per the
detail shown on the approved construction plans or per the City’s detail.
3.The sidewalk culvert invert “in and out” elevations have been verified and are indicated on the
as-built plans.
4.The sidewalk culvert opening is as shown on the approved construction plans or per the City’s
detail.
5.There is a smooth transition both on the inlet and outlet ends of the sidewalk culvert with no
obstructions such as riprap or sod impeding the flow into or out of the sidewalk culvert.
X. Site Grading - FCSCM Ch. 8
A. Construction: All common open spaces have been graded in accordance with the approved
construction plans.
1.The grading on all common open spaces bordering private lots has been verified as correct and
the as-built rear lot corner elevations have been shown on the as-built plans.
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Page 7
2.The as-built contours for “overlot grading” are shown on the as-built construction plans for all
common open spaces, tracts, outlots, etc. If not in compliance, please attach a narrative describing the
situation for noncompliance and when it may be corrected. An escrow for overlot grading may be
required. (NOTE: Residential Lot Grading Certification is a separate process from this Overall Site
Certification. It is understood that residential lots will be brought to final grade once the foundation is
backfilled so they may be lower than the plan shows at this Overall Site Certification stage.)
3.All turf reinforcement mats (TRMs) have been installed as shown on the approved construction
plans and the slopes are stabilized.
XI.Permanent Erosion Control BMPs - FCSCM Ch. 9, Sec. 7.0
A. Construction: All permanent erosion control BMPs have been installed per the approved
construction plans.
1.All riprap has been installed in the locations and sizes indicated on the approved construction
plans.
2.All fabric has been installed in the locations and sizes indicated on the approved construction
plans.
a.All fabric was installed per the details on the approved construction plans.
XII.Post-Construction Site Cleanup - FCSCM Ch. 3, Sec. 2.0
A. Construction: All construction debris and obstructions of any kind have been removed from
drainage paths.
1.All construction debris has been removed except in staging area(s).
2.All ruts have been smoothed out in all construction areas.
3.All areas needing reseeding have been identified and future stabilization goals have been
coordinated with the Erosion Control Inspector and in accordance with FCSCM Vol.2 Chapter 12. Note
the area needing stabilization in the narrative.
XIII.Certification of LID and Water Quality Facilities - FCSCM Ch. 7
A.Attached are the During Construction Inspection Checklist for Low Impact Development (LID) and
other items to be verified during construction, along with pictures and other required documentation.
B.Attached is verification of the rain garden and/or sand filter flat surface area(s) and ponding
volume(s). This verification includes survey of critical elevations.
C.Attached is verification of the underground infiltration required volume(s), weir elevations,
orifices, inspection ports and filtering fabric. This verification includes survey of critical elevations.
D.All visible LID design features were verified as part of the engineer's site visit.
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11/19 Page 8
XIV.Certification of Other Permanent BMPs
A.The construction of other permanent BMPs not specifically addressed in this certification is in
accordance with the approved plan. This may include grade control structures, rundowns, bridges, stream
access/improvements, etc.
Please specify other permanent BMPs included on this site:
XV. Certification and Erosion Control Measures - FCSCM Ch. 3
A. All temporary erosion control measures shall be removed upon stabilization. If at the time of preparing
this certification there are any erosion control measures still remaining on the site, please note them in
the narrative and verify that they need to remain at this time. If in doubt as to the need for any control
measure, please consult with the Erosion Control Inspector at erosion@fcgov.com.
XVI.Statement of Compliance - FCSCM Ch. 3
A. This certification is signed and stamped. By signing this form, the engineer(s) attests that he/she has
visited and observed the site, and to the best of his/her knowledge, the as-built conditions of the drainage
facilities are as described in the above form and in the enclosed as-built plans.
B.Failure to properly disclose all known information could result in the rejection of this certification and
prevent the release of any and all Stormwater Utility permit holds on Building Permits and/or Certificates
of Occupancy within this development.
XVII. Signature and Stamp by a Colorado-Registered Professional Engineer
Engineer’s contact information:
Name:
Email:
Phone:
Company:
Address:
PE Stamp
6/21/22
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RAIN
GARDEN 1
FLAT AREA:
8961.6 SF
W
56.9
8
58.9
7
60.0
3
60.5
2
RAIN GARDEN 1 - STAGE STORAGE TABLE
ELEV
AREA
(sq. ft.)
DEPTH
(ft)
AVG END
INC. VOL.
(cu. ft.)
AVG END
TOTAL VOL.
(cu. ft.)
CONIC
INC. VOL.
(cu. ft.)
CONIC
TOTAL VOL.
(cu. ft.)
4,959.200 7.73 N/A N/A 0.00 N/A 0.00
4,959.300 929.46 0.100 46.86 46.86 34.06 34.06
4,959.300 841.98 0.000 0.00 46.86 0.00 34.06
4,959.300 82.96 0.000 0.00 46.86 0.00 34.06
4,959.400 2,028.04 0.100 105.55 152.41 84.04 118.10
4,959.400 8,492.44 0.000 0.00 152.41 0.00 118.10
4,959.500 9,066.24 0.100 877.93 1030.34 877.78 995.88
4,959.600 9,363.81 0.100 921.50 1951.85 921.46 1917.34
4,959.700 9,613.68 0.100 948.87 2900.72 948.85 2866.19
4,959.800 9,866.99 0.100 974.03 3874.75 974.01 3840.20
4,959.900 10,131.27 0.100 999.91 4874.67 999.88 4840.08
4,960.000 10,411.42 0.100 1027.13 5901.80 1027.10 5867.18
4,960.100 10,703.33 0.100 1055.74 6957.54 1055.70 6922.89
4,960.200 11,000.18 0.100 1085.18 8042.71 1085.14 8008.03
4,960.300 11,276.74 0.100 1113.85 9156.56 1113.82 9121.85
4,960.400 11,553.98 0.100 1141.54 10298.09 1141.51 10263.35
4,960.460 11,720.65 0.060 698.24 10996.33 698.23 10961.59
4,960.500 11,831.90 0.040 471.05 11467.38 471.05 11432.63
4,960.600 12,110.50 0.100 1197.12 12664.50 1197.09 12629.73
4,960.700 12,389.79 0.100 1225.01 13889.52 1224.99 13854.72
4,960.800 12,669.76 0.100 1252.98 15142.50 1252.95 15107.67
4,960.900 12,949.46 0.100 1280.96 16423.46 1280.94 16388.60
4,961.000 13,228.44 0.100 1308.89 17732.35 1308.87 17697.47
4,961.100 13,506.27 0.100 1336.74 19069.09 1336.71 19034.18
4,961.200 13,783.23 0.100 1364.47 20433.56 1364.45 20398.64
RAIN GARDEN 1
STAGE STORAGE ANALYSIS
FORT COLLINS, CO
HANSEN FARMS
E N G I N E E R N GI
EHTRON R N
6/20/22
D:\PROJECTS\911-015\DRAINAGE\DRNGCERT\911-015 STAGE STORAGE.DWG
( IN FEET )
1 inch = ft.
Feet03030
30
60 90
NORTH
RAIN GARDEN 1 AS-BUILT PROPERTIES
PROPERTY DESIGN AS-BUILT
FLAT AREA (SF)7006.0 8961.6
TOTAL VOLUME (CF)10123.0 20398.0
WQCV (CF)9633.0 10961.6
ELEVATION AT WQCV (FT)4960.5 4960.5
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RAIN
GARDEN 2
FLAT AREA:
6013.5 SF
59.5
4
56.9
3
60.4
0
RAIN GARDEN 2 - STAGE STORAGE TABLE
ELEV
AREA
(sq. ft.)
DEPTH
(ft)
AVG END
INC. VOL.
(cu. ft.)
AVG END
TOTAL VOL.
(cu. ft.)
CONIC
INC. VOL.
(cu. ft.)
CONIC
TOTAL VOL.
(cu. ft.)
4,958.200 11.09 N/A N/A 0.00 N/A 0.00
4,958.300 172.21 0.100 9.16 9.16 7.57 7.57
4,958.400 696.89 0.100 43.46 52.62 40.52 48.08
4,958.400 449.04 0.000 0.00 52.62 0.00 48.08
4,958.400 525.15 0.000 0.00 52.62 0.00 48.08
4,958.400 61.71 0.000 0.00 52.62 0.00 48.08
4,958.500 6,112.76 0.100 308.72 361.34 226.29 274.37
4,958.600 6,375.77 0.100 624.43 985.77 624.38 898.75
4,958.700 6,565.88 0.100 647.08 1632.85 647.06 1545.81
4,958.800 6,769.46 0.100 666.77 2299.62 666.74 2212.55
4,958.900 7,004.32 0.100 688.69 2988.31 688.66 2901.21
4,959.000 7,270.05 0.100 713.72 3702.03 713.68 3614.89
4,959.100 7,541.93 0.100 740.60 4442.63 740.56 4355.44
4,959.200 7,805.15 0.100 767.35 5209.98 767.32 5122.76
4,959.300 8,066.14 0.100 793.56 6003.54 793.53 5916.29
4,959.400 8,349.55 0.100 820.78 6824.33 820.74 6737.03
4,959.500 8,616.00 0.100 848.28 7672.61 848.24 7585.28
4,959.580 8,830.58 0.080 697.86 8370.47 697.85 8283.12
4,959.600 8,884.43 0.020 177.15 8547.62 177.15 8460.27
4,959.700 9,154.26 0.100 901.93 9449.55 901.90 9362.17
4,959.800 9,423.07 0.100 928.87 10378.42 928.83 10291.01
4,959.900 9,690.60 0.100 955.68 11334.10 955.65 11246.66
4,960.000 9,958.02 0.100 982.43 12316.53 982.40 12229.06
4,960.100 10,225.33 0.100 1009.17 13325.70 1009.14 13238.20
4,960.200 10,503.83 0.100 1036.46 14362.16 1036.43 14274.62
4,960.300 10,802.28 0.100 1065.31 15427.47 1065.27 15339.89
RAIN GARDEN 2
STAGE STORAGE ANALYSIS
FORT COLLINS, CO
HANSEN FARMS
E N G I N E E R N GI
EHTRON R N
6/20/22
D:\PROJECTS\911-015\DRAINAGE\DRNGCERT\911-015 STAGE STORAGE.DWG
( IN FEET )
1 inch = ft.
Feet03030
30
60 90
NORTH
RAIN GARDEN 2 AS-BUILT PROPERTIES
PROPERTY DESIGN AS-BUILT
FLAT AREA (SF)4941.0 6013.5
TOTAL VOLUME (CF)7334.0 15340.0
WQCV (CF)6794.0 8283.1
ELEV. AT WQCV (FT)4959.6 4959.6
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S
S
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S
W
W
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W
W
W
W
W
W
W
W
W
S
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S
S
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DETENTION POND 1
100-YR VOL=10.01 ac
PEAK RELEASE=3.06 cfs
56.3
4
56.9
8
58.4
8
57.2
7
57.1
2
56.4
2
55.6
1
53.9
8
55.8
3
57.8
9
55.3
3
56.7
6
60.2
1
60.5
6
60.3
8
60.4
7
57.0
7
55.3
1
60.5
2
59.5
456.9
3
60.4
057.6
3
58.9
7
59.5
1
60.0
3
60.5
2
60.2
7
DETENTION POND 1 - STAGE STORAGE TABLE
ELEV
AREA
(sq. ft.)
DEPTH
(ft)
AVG END
INC. VOL.
(cu. ft.)
AVG END
TOTAL VOL.
(cu. ft.)
CONIC
INC. VOL.
(cu. ft.)
CONIC
TOTAL VOL.
(cu. ft.)
4,953.400 510.25 N/A N/A 0.00 N/A 0.00
4,953.400 117.57 0.000 0.00 0.00 0.00 0.00
4,953.400 55.68 0.000 0.00 0.00 0.00 0.00
4,953.600 6,864.09 0.200 691.98 691.98 502.53 502.53
4,953.800 7,982.10 0.200 1484.62 2176.60 1483.21 1985.75
4,954.000 8,627.48 0.200 1660.96 3837.55 1660.54 3646.29
4,954.200 9,267.07 0.200 1789.45 5627.01 1789.07 5435.36
4,954.400 9,914.59 0.200 1918.17 7545.18 1917.80 7353.16
4,954.600 10,739.26 0.200 2065.39 9610.56 2064.84 9418.00
4,954.800 11,631.78 0.200 2237.10 11847.67 2236.51 11654.51
4,955.000 12,854.55 0.200 2448.63 14296.30 2447.62 14102.12
4,955.200 14,913.45 0.200 2776.80 17073.10 2774.25 16876.38
4,955.400 18,054.80 0.200 3296.82 20369.92 3291.82 20168.20
4,955.600 24,211.34 0.200 4226.61 24596.54 4211.59 24379.79
4,955.800 32,125.44 0.200 5633.68 30230.22 5615.06 29994.85
4,956.000 41,677.07 0.200 7380.25 37610.47 7359.56 37354.41
4,956.200 52,213.45 0.200 9389.05 46999.52 9369.28 46723.69
4,956.400 63,967.34 0.200 11618.08 58617.60 11598.21 58321.90
4,956.600 77,195.84 0.200 14116.32 72733.91 14095.61 72417.51
4,956.800 89,730.66 0.200 16692.65 89426.56 16676.94 89094.45
4,957.000 104,327.90 0.200 19405.86 108832.42 19387.53 108481.98
4,957.200 120,120.70 0.200 22444.86 131277.28 22426.32 130908.29
4,957.400 135,532.14 0.200 25565.28 156842.56 25549.79 156458.08
4,957.600 148,278.83 0.200 28381.10 185223.66 28371.55 184829.63
4,957.800 159,273.78 0.200 30755.26 215978.92 30748.71 215578.34
4,958.000 169,165.24 0.200 32843.90 248822.82 32838.94 248417.27
4,958.200 177,948.65 0.200 34711.39 283534.21 34707.68 283124.96
4,958.400 185,136.02 0.200 36308.47 319842.68 36306.10 319431.05
4,958.600 191,247.91 0.200 37638.39 357481.07 37636.74 357067.79
4,958.800 196,764.73 0.200 38801.26 396282.33 38799.96 395867.75
4,959.000 202,602.64 0.200 39936.74 436219.07 39935.32 435803.06
4,959.200 208,325.38 0.200 41092.80 477311.87 41091.47 476894.54
4,959.400 213,794.38 0.200 42211.98 519523.85 42210.80 519105.33
4,959.600 219,212.74 0.200 43300.71 562824.56 43299.58 562404.91
4,959.800 224,744.93 0.200 44395.77 607220.33 44394.62 606799.53
4,960.000 230,673.22 0.200 45541.81 652762.14 45540.53 652340.06
DETENTION POND 1
STAGE STORAGE ANALYSIS
FORT COLLINS, CO
HANSEN FARMS
E N G I N E E R N GI
EHTRON R N
6/20/22
D:\PROJECTS\911-015\DRAINAGE\DRNGCERT\911-015 STAGE STORAGE.DWG
( IN FEET )
1 inch = ft.
Feet0100100
100
200 300
NORTH
DETENTION POND 1 - AS-BUILT PROPERTIES
PROPERTY DESIGN AS-BUILT
VOLUME AT CREST (AC*FT)15.0 15.0
100-YR VOLUME (AC*FT)10.0 10.0
WQCV (AC*FT)N/A N/A
OUTLET INVERT ELEV. (FT)4954.6 4954.65
OUTLET GRATE ELEV. (FT)4959.0 4959.99
ELEVATION AT WQCV (FT)N/A N/A
POND CREST ELEV. (FT)4960.0 4960.0
SPILLWAY ELEV. (FT)4960.0 4960.0
W
S
W
W
W
S
S
E
E
E
E
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
CT
V
CT
V
CT
V
CT
V
CT
V
VAULT
ELEC
TRAFFICVAULT
C
VAULT
F.O.
TELE
ST
GAS
MM
DETENTION POND 2
100-YR VOL=1.85 ac
PEAK RELEASE=3.48 cfs
60.2
459.4
5
DETENTION POND 2 - STAGE STORAGE TABLE
ELEV
AREA
(sq. ft.)
DEPTH
(ft)
AVG END
INC. VOL.
(cu. ft.)
AVG END
TOTAL VOL.
(cu. ft.)
CONIC
INC. VOL.
(cu. ft.)
CONIC
TOTAL VOL.
(cu. ft.)
4,953.000 57.46 N/A N/A 0.00 N/A 0.00
4,953.200 483.71 0.200 54.12 54.12 47.19 47.19
4,953.400 811.30 0.200 129.50 183.62 128.10 175.29
4,953.600 1,124.88 0.200 193.62 377.24 192.77 368.06
4,953.800 1,495.52 0.200 262.04 639.28 261.16 629.22
4,954.000 1,886.90 0.200 338.24 977.52 337.48 966.70
4,954.200 2,236.02 0.200 412.29 1389.81 411.80 1378.50
4,954.400 2,622.95 0.200 485.90 1875.71 485.38 1863.88
4,954.400 8.49 0.000 0.00 1875.71 0.00 1863.88
4,954.600 3,159.24 0.200 316.77 2192.48 222.10 2085.98
4,954.800 3,794.38 0.200 695.36 2887.84 694.39 2780.38
4,955.000 4,448.06 0.200 824.24 3712.09 823.38 3603.75
4,955.200 5,153.15 0.200 960.12 4672.21 959.26 4563.01
4,955.400 6,024.60 0.200 1117.77 5789.98 1116.64 5679.65
4,955.600 6,997.92 0.200 1302.25 7092.23 1301.04 6980.69
4,955.800 8,007.64 0.200 1500.56 8592.79 1499.42 8480.11
4,956.000 9,057.37 0.200 1706.50 10299.29 1705.42 10185.53
4,956.200 10,191.79 0.200 1924.92 12224.20 1923.80 12109.34
4,956.320 10,916.22 0.120 1266.48 13490.69 1266.23 13375.57
4,956.400 11,415.64 0.080 893.27 14383.96 893.20 14268.77
4,956.600 12,719.60 0.200 2413.52 16797.48 2412.35 16681.12
4,956.800 14,027.93 0.200 2674.75 19472.24 2673.69 19354.80
4,957.000 15,346.05 0.200 2937.40 22409.63 2936.41 22291.21
4,957.200 16,720.58 0.200 3206.66 25616.30 3205.68 25496.89
4,957.400 18,148.40 0.200 3486.90 29103.20 3485.92 28982.82
4,957.600 19,630.30 0.200 3777.87 32881.07 3776.90 32759.72
4,957.800 21,190.07 0.200 4082.04 36963.10 4081.04 36840.76
4,958.000 22,841.72 0.200 4403.18 41366.28 4402.15 41242.91
4,958.200 24,561.25 0.200 4740.30 46106.58 4739.26 45982.16
4,958.400 26,340.91 0.200 5090.22 51196.79 5089.18 51071.34
4,958.600 28,180.72 0.200 5452.16 56648.96 5451.13 56522.47
4,958.800 30,081.42 0.200 5826.21 62475.17 5825.18 62347.65
4,959.000 32,033.60 0.200 6211.50 68686.67 6210.48 68558.13
4,959.200 34,039.27 0.200 6607.29 75293.96 6606.27 75164.40
4,959.400 36,104.90 0.200 7014.42 82308.38 7013.40 82177.80
4,959.600 38,215.81 0.200 7432.07 89740.45 7431.07 89608.88
4,959.800 40,376.24 0.200 7859.20 97599.65 7858.21 97467.09
4,960.000 42,590.50 0.200 8296.67 105896.33 8295.69 105762.78
4,960.200 45,386.76 0.200 8797.73 114694.05 8796.24 114559.02
DETENTION POND 2
STAGE STORAGE ANALYSIS
FORT COLLINS, CO
HANSEN FARMS
E N G I N E E R N GI
EHTRON R N
6/20/22
D:\PROJECTS\911-015\DRAINAGE\DRNGCERT\911-015 STAGE STORAGE.DWG
( IN FEET )
1 inch = ft.
Feet06060
60
120 180
NORTH
DETENTION POND 2 - AS-BUILT PROPERTIES
PROPERTY DESIGN AS-BUILT
VOLUME AT CREST (AC*FT)2.38 2.63
100-YR VOLUME (AC*FT)1.87 1.89
WQCV (AC*FT)0.33 0.31
OUTLET INV. ELEV. (FT)4953.0 4953.00
OUTLET GRATE ELEV. (FT)4959.5 4958.25
ELEVATION AT WQCV (FT)4956.4 4956.32
POND CREST ELEV. (FT)4960.1 4960.2
SPILLWAY ELEV. (FT)N/A N/A
E
E
E
E
E
E
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
CT
V
CT
V
CT
V
CT
V
CT
V
CT
V
CT
V
CT
V
CT
V
CT
V
CT
V
CT
V
F.O.M
DETENTION POND 3
100-YR VOL=2.24 ac
PEAK RELEASE=9.89 cfs
DETENTION POND 3 - STAGE STORAGE TABLE
ELEV
AREA
(sq. ft.)
DEPTH
(ft)
AVG END
INC. VOL.
(cu. ft.)
AVG END
TOTAL VOL.
(cu. ft.)
CONIC
INC. VOL.
(cu. ft.)
CONIC
TOTAL VOL.
(cu. ft.)
4,953.200 11.97 N/A N/A 0.00 N/A 0.00
4,953.400 278.59 0.200 29.06 29.06 23.22 23.22
4,953.600 767.30 0.200 104.59 133.65 100.55 123.77
4,953.800 1,329.95 0.200 209.73 343.37 207.16 330.93
4,954.000 2,200.44 0.200 353.04 696.41 349.41 680.34
4,954.200 3,520.21 0.200 572.07 1268.48 566.92 1247.26
4,954.400 4,579.73 0.200 809.99 2078.47 807.67 2054.93
4,954.600 6,055.70 0.200 1063.54 3142.01 1060.11 3115.05
4,954.700 6,786.43 0.100 642.11 3784.12 641.76 3756.81
4,954.800 7,571.26 0.100 717.88 4502.00 717.53 4474.33
4,955.000 9,556.17 0.200 1712.74 6214.75 1708.90 6183.23
4,955.200 11,172.42 0.200 2072.86 8287.60 2070.76 8253.98
4,955.400 12,525.99 0.200 2369.84 10657.44 2368.55 10622.53
4,955.600 13,870.12 0.200 2639.61 13297.06 2638.47 13261.00
4,955.800 15,215.61 0.200 2908.57 16205.63 2907.54 16168.54
4,956.000 16,562.95 0.200 3177.86 19383.49 3176.90 19345.44
4,956.200 17,912.14 0.200 3447.51 22831.00 3446.63 22792.07
4,956.400 19,262.66 0.200 3717.48 26548.48 3716.66 26508.73
4,956.600 20,613.56 0.200 3987.62 30536.10 3986.86 30495.59
4,956.800 21,974.29 0.200 4258.78 34794.88 4258.06 34753.65
4,957.000 23,346.47 0.200 4532.08 39326.96 4531.38 39285.04
4,957.200 24,730.09 0.200 4807.66 44134.61 4806.99 44092.03
4,957.400 26,125.15 0.200 5085.52 49220.14 5084.89 49176.91
4,957.600 27,531.67 0.200 5365.68 54585.82 5365.07 54541.98
4,957.800 28,952.94 0.200 5648.46 60234.28 5647.86 60189.84
4,958.000 30,391.85 0.200 5934.48 66168.76 5933.90 66123.74
4,958.200 31,848.39 0.200 6224.02 72392.78 6223.46 72347.20
4,958.400 33,322.56 0.200 6517.10 78909.88 6516.54 78863.74
4,958.600 34,819.97 0.200 6814.25 85724.13 6813.70 85677.44
4,958.800 36,400.03 0.200 7122.00 92846.13 7121.42 92798.86
4,959.000 38,122.42 0.200 7452.24 100298.37 7451.58 100250.44
DETENTION POND 3
STAGE STORAGE ANALYSIS
FORT COLLINS, CO
HANSEN FARMS
E N G I N E E R N GI
EHTRON R N
6/20/22
D:\PROJECTS\911-015\DRAINAGE\DRNGCERT\911-015 STAGE STORAGE.DWG
( IN FEET )
1 inch = ft.
Feet06060
60
120 180
NORTH
DETENTION POND 3 - AS-BUILT PROPERTIES
PROPERTY DESIGN AS-BUILT
VOLUME AT CREST (AC*FT)2.27 2.30
100-YR VOLUME (AC*FT)1.69 1.66
WQCV (AC*FT)0.12 0.086
OUTLET INV. ELEV. (FT)4953.4 4953.20
OUTLET GRATE ELEV. (FT)4959.0 4957.70
ELEVATION AT WQCV (FT)4955.0 4954.7
POND CREST ELEV. (FT)4959.8 4959.0
SPILLWAY ELEV. (FT)N/A N/A
T S
T S
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
CT
V
CT
V
CT
V
CT
V
FO
VAULT
F.O.
T
ELECELEC
VAULT
F.O.
DETENTION POND 4
100-YR VOL=0.96 ac
PEAK RELEASE=0.47 cfs
DETENTION POND 4 - STAGE STORAGE TABLE
ELEV
AREA
(sq. ft.)
DEPTH
(ft)
AVG END
INC. VOL.
(cu. ft.)
AVG END
TOTAL VOL.
(cu. ft.)
CONIC
INC. VOL.
(cu. ft.)
CONIC
TOTAL VOL.
(cu. ft.)
4,955.200 4.17 N/A N/A 0.00 N/A 0.00
4,955.400 39.54 0.200 4.37 4.37 3.77 3.77
4,955.600 471.58 0.200 51.11 55.48 43.18 46.95
4,955.800 1,295.29 0.200 176.69 232.17 169.90 216.84
4,956.000 1,772.11 0.200 306.74 538.91 305.50 522.34
4,956.200 2,170.42 0.200 394.25 933.16 393.58 915.92
4,956.400 2,563.79 0.200 473.42 1406.58 472.88 1388.80
4,956.600 3,014.52 0.200 557.83 1964.41 557.22 1946.02
4,956.670 3,210.00 0.070 217.86 2182.27 217.82 2163.84
4,956.800 3,595.73 0.130 442.37 2624.65 442.14 2605.98
4,957.000 4,112.45 0.200 770.82 3395.46 770.24 3376.22
4,957.200 4,737.89 0.200 885.03 4280.50 884.30 4260.51
4,957.400 5,352.51 0.200 1009.04 5289.54 1008.42 5268.93
4,957.600 5,761.02 0.200 1111.35 6400.89 1111.10 6380.03
4,957.800 6,175.36 0.200 1193.64 7594.53 1193.40 7573.43
4,958.000 6,595.52 0.200 1277.09 8871.62 1276.86 8850.29
4,958.200 7,021.58 0.200 1361.71 10233.33 1361.49 10211.78
4,958.400 7,453.24 0.200 1447.48 11680.81 1447.27 11659.04
4,958.600 7,890.77 0.200 1534.40 13215.21 1534.19 13193.24
4,958.800 8,334.30 0.200 1622.51 14837.72 1622.30 14815.54
4,959.000 8,783.86 0.200 1711.82 16549.53 1711.62 16527.16
4,959.200 9,239.58 0.200 1802.34 18351.88 1802.15 18329.31
4,959.400 9,702.47 0.200 1894.21 20246.08 1894.02 20223.33
4,959.600 10,173.38 0.200 1987.59 22233.67 1987.40 22210.73
4,959.800 10,653.41 0.200 2082.68 24316.35 2082.49 24293.22
4,960.000 11,143.97 0.200 2179.74 26496.08 2179.55 26472.78
4,960.200 11,644.89 0.200 2278.89 28774.97 2278.70 28751.48
4,960.400 12,155.52 0.200 2380.04 31155.01 2379.86 31131.34
4,960.600 12,676.32 0.200 2483.18 33638.20 2483.00 33614.34
4,960.800 13,207.34 0.200 2588.37 36226.56 2588.18 36202.53
4,961.000 13,748.78 0.200 2695.61 38922.18 2695.43 38897.96
4,961.200 14,298.88 0.200 2804.77 41726.94 2804.59 41702.54
4,961.250 14,436.28 0.050 718.38 42445.32 718.38 42420.92
4,961.400 14,853.48 0.150 2196.73 44642.05 2196.66 44617.57
4,961.600 15,415.57 0.200 3026.90 47668.96 3026.73 47644.31
DETENTION POND 4
STAGE STORAGE ANALYSIS
FORT COLLINS, CO
HANSEN FARMS
E N G I N E E R N GI
EHTRON R N
6/20/22
D:\PROJECTS\911-015\DRAINAGE\DRNGCERT\911-015 STAGE STORAGE.DWG
( IN FEET )
1 inch = ft.
Feet04040
40
80 120
NORTH
DETENTION POND 4 - AS-BUILT PROPERTIES
PROPERTY DESIGN AS-BUILT
VOLUME AT CREST (AC*FT)1.09 1.09
100-YR VOLUME (AC*FT)0.97 0.97
WQCV (AC*FT)0.038 0.049
OUTLET INV. ELEV. (FT)4955.2 4955.23
OUTLET GRATE ELEV. (FT)4961.2 4961.20
ELEVATION AT WQCV (FT)4956.5 4956.67
POND CREST ELEV. (FT)4961.5 4961.6
SPILLWAY ELEV. (FT)N/A N/A
X X X X X X X X X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
v
v 9' UTILITY EASEMENT
FL
O
A
T
I
N
G
L
E
A
F
D
R
KN
O
B
B
Y
P
I
N
E
D
R
9' UTILITY EASEMENT 9' UTILITY EASEMENT
6' UE
3' DRAINAGE EASEMENT (TYP.)
AL
L
E
Y
59
'
R
O
W
36
'
F
L
-
F
L
24' FL-FL
3' DRAINAGE EASEMENT (TYP.)
9'
U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
9'
U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
36
'
F
L
-
F
L
59
'
R
O
W
9'
U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
9'
U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
LO
T
3
LOT 3
LOT 5
LOT 1
LOT 2
LOT 7
LOT 4
LOT 5
LOT 2
LOT 3
LOT 4
LOT
1
LOT 2
LO
T
1
LO
T
2
LO
T
5
LO
T
4
LO
T
1
LOT 4
LOT 3
LOT 4
LOT 4
LOT 1
LOT 2
LOT 5
LOT 3
LOT 7
LOT 6
LOT 1
LOT 2
LOT 3
BL
O
C
K
1
0
BL
O
C
K
9
BL
O
C
K
8
BL
O
C
K
1
1
BLO
C
K
1
2
BL
O
C
K
7
BLO
C
K
1
3
BLOCK 2
BLOCK 2
FUTURE PEDESTRIAN BRIDGE
(BY OTHERS)
FUTURE 10' TRAIL
TRACT A
TRACT N
OPEN SPACE
50' DITCH BUFFER
FROM TOP OF BANK
50' DITCH BUFFER
FROM TOP OF BANK
TOP OF BANK
TOP OF BANK
NATURAL HABITAT
BUFFER ZONE
NATURAL HABITAT
BUFFER ZONE
HAPPY WOODLAND DR
PROPOSED PEDESTRIAN BRIDGE
(SEE NOTES)
73
.
3
0
72
.
8
8
73.52
73
.
2
2 72
.
5
9
72
.
3
9
74
.
7
0
75.
6
4
74
.
9
5
75.
7
7
75
.
8
2
75
.
8
7
76.
4
1
75
.
5
2
75.4
2
75.
3
3
75.
2
5
74.9
9
74.8
0
74.
5
9
73
.
9
5
73.01
72.20
71.82
71.30
71
.
2
4
70
.
3
3
68
.
1
6
68.
4
3
68
.
7
5
69
.
0
7
69
.
5
9
70
.
3
6
70
.
8
8
71.
0
8
71
.
4
2
71
.
7
6
71
.
9
9
72.
2
6
72
.
6
8
72.
9
2
72.
2
2
75.
1
1
73.
8
1
71.56
71.
6
1
70.
7
2
72
.
9
2
70
.
1
1
69
.
8
0
72
.
0
1
71
.
0
7
68.
7
8
70.
0
5
67
.
7
7
66
.
7
7
66
.
7
9
72
.
8
1
71
.
7
1
70.
6
7
67.97 66.
8
8
70.
2
1
A
LOT 12
A
FG=71.08
TF=71.75
LOT 13
A
FG=71.37
TF=72.04
LOT 14
A
FG=71.71
TF=72.38
LOT 15
A
FG=72.16
TF=72.83
LOT 16
A
FG=72.84
TF=73.51
LOT 17
A
FG=73.60
TF=74.27
LOT 18
A
FG=74.75
TF=75.42
LOT 19
A
FG=75.20
TF=75.87
LOT 20
A
FG=75.38
TF=76.05
LOT 21
A
FG=75.85
TF=76.52
LOT 22
A
FG=76.31
TF=76.98
LOT 23 A
FG=76.49
TF=77.16
LOT 24 A
FG=76.21
TF=76.88
LOT 25 A
FG=76.06
TF=76.73
LOT 26
A
FG=75.88
TF=76.55
LOT 27
A
FG=75.08
TF=75.75
LOT 28
A
FG=74.21
TF=74.88
LOT 29
A
FG=73.35
TF=74.02
LOT 30
A
FG=72.32
TF=72.99
LOT 31
A
FG=71.31
TF=71.98
LOT 32
A
FG=70.31
TF=70.98
LOT 33
70.16
70.58
70.87
71.21
71.66
72.34
73.10
74.25
74.70
74.88
75.35
75
.
8
1
75.
9
9
75.
7
1
75.
5
6
74
.
5
8
73.71
72.85
71.82
70.81
69.81
69.82
69.90
70.20
70.2
5
70.52
70.5
7
70.84
70.9
6
71.5
4
71.35
72.12
72.35
72.84
72.87
73.09
73.36
74.88 75.49
75.3
7
75.2
8
74
.
8
4
73.
7
0
73
.
3
7
73.
5
7
73.68
72.
6
9
71.
8
1
71.77
70.75
69.73
75.
3
8
74
.
1
6
LOT 5
LOT 6
LOT 1
2.3%
2.
4
%
2.5
%
2.4
%2.0
%
2.0%
1.9%
2.7%
2.0%
3.1
%
25.0%
25.0%
25.0%
5' WALK
69.69
69.
5
9
68.03
PUBLIC ACCESS
TRAIL EASEMENT
PUBLIC ACCESS
TRAIL EASEMENT
72.03
71.9
3
PROPOSED
PEDESTRIAN BRIDGE
SEE NOTES AND
DETAIL, SHEET D11
5' WALK
DI
T
C
H
L
A
T
E
R
A
L
69.3
7
70.9
5
72.0
9
72.1
9
71.0
0
69.4
2
13
.
8
%
14
.
6
%
G1
GR
A
D
I
N
G
P
L
A
N
11
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
h
e
r
n
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
06/25/21
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
LEGEND:
ST
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS,
UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION.
3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE
FINISHED GRADE ELEVATIONS UNLESS OTHERWISE NOTED.
4.THE TOP OF FOUNDATION ELEVATIONS SHOWN ARE THE MINIMUM ELEVATIONS
REQUIRED FOR PROTECTION FROM THE 100-YEAR STORM.
5.CROSSPANS ALONG PUBLIC STREETS AT THE INTERSECTION OF PRIVATE DRIVES
SHALL HAVE CONCRETE EXTENDED TO THE RIGHT-OF-WAY LINE.
6.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM; NAVD 88
(UNADJUSTED). SEE COVER SHEET FOR BENCHMARK REFERENCES.
7.CONSTRUCTION ON DITCH LATERAL WILL BE LIMITED FROM OCTOBER 1 TO MAY 1
WHEN NOT IN USE.
8.NO CUTTING OF EARTHWORK WITHIN 5 FEET OF DITCH LATERAL BANK EXCEPT AT
THE LOCATIONS OF THE 2 STREET CROSSINGS AND 2 WEIRS.
9.NO DISTURBANCE OF VEGETATED ROOT SYSTEM WITHIN 5 FEET OF TOP OF BANK
ALONG DITCH LATERAL.
10.STEPS ARE NOT SHOWN ON THE SIDEWALK CONNECTIONS TO THE FRONT PORCH
OF TOWNHOME BUILDINGS. STEPS SHALL BE DESIGNED PER AS-BUILT CONDITIONS
AND BUILDING CODE.
11.A DETAILED GRADING PLOT PLAN IS REQUIRED FOR ALL TYPE-A LOTS AT TIME OF
BUILDING PERMIT.
12.REFER TO SHEET CS2 FOR ADDITIONAL NOTES REGARDING THE WILLIAMSON DITCH
LATERAL.
13.SEE RENNAT SUBDIVISION PLAT (RECORDED CONCURRENTLY WITH HANSEN FARM)
FOR EASEMENT AND PUBLIC ROW RIGHTS RELATED TO OFFSITE IMPROVEMENTS.
36.25
(36.25)
2.0%
NOTES:
PROPOSED SLOPES
EXISTING SPOT ELEVATION
PROPOSED SPOT ELEVATION
PROPOSED EASEMENT
EXISTING RIGHT OF WAY
PROPOSED LOT LINE
PROPERTY BOUNDARY
PROPOSED CURB AND GUTTER
PROPOSED SWALE
EXISTING CONTOUR
PROPOSED CONTOUR
PROPOSED STORM INLET
PROPOSED STORM SEWER
EXISTING STORM SEWER
LODLIMITS OF DEVELOPMENT
PROPOSED RIGHT OF WAY
NATURAL HABITAT BUFFER ZONE (NHBZ)
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
( IN FEET )
0
1 INCH = 40 FEET
40 40 80 120
NORTH
MA
T
C
H
L
I
N
E
-
S
E
E
S
H
E
E
T
G2
MATCHLINE-SEE SHEET G3
G1
G3
G2
G4 G5
G6 G7
2
2
2
RECORD DRAWING
X
X
X
X
X
X
X
6' UE
3' DRAINAGE EASEMENT (TYP.)
9' UTILIT
Y
E
A
S
E
M
E
N
T
9' UTILIT
Y
E
A
S
E
M
E
N
T
WILLOW SPRINGS PUD
WILLOW SPRINGS PUD
BLOCK 2
MAIL CR
E
E
K
D
I
T
C
H
FUTURE 10
'
T
R
A
I
L
MAIL CREEK DITCH
MAINTENANCE AND ACCESS ESMT
66.
1
7
65.5
7
64.
9
9
64
.
8
0
64.
3
8
66
.
4
8
66
.
7
6
66
.
6
2
67
.
1
4
67.
5
3
67
.
1
9
68.
3
6
68.74
69
.
4
1
66.
3
2
66
.
0
5
65.
6
7
A
FG=69.55
TF=70.22
LOT 34
A
FG=68.95
TF=69.62
LOT 35
A
FG=68.36
TF=69.03
LOT 36
A
FG=67.70
TF=68.37
LOT 37
A
FG=67.32
TF=67.99
LOT 38
A
FG=66.95
TF=67.62
LOT 39
A
FG=66.61
TF=67.28
LOT 40
69.
0
5
68.45
67.86
67.20
66.82
66
.
4
5
66
.
1
1
65
.
7
1
68.7
4
68.14
67
.
5
4
67
.
0
0
66.
6
6
66.25
65.88
65.58
65.26
64.9366.5
0
6.
4
%
6.
5
%
6.3
%
PUBLIC ACCESS
TRAIL EASEMENT
G2
GR
A
D
I
N
G
P
L
A
N
12
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
h
e
r
n
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
06/25/21
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
LEGEND:
ST
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS,
UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION.
3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE
FINISHED GRADE ELEVATIONS UNLESS OTHERWISE NOTED.
4.THE TOP OF FOUNDATION ELEVATIONS SHOWN ARE THE MINIMUM ELEVATIONS
REQUIRED FOR PROTECTION FROM THE 100-YEAR STORM.
5.CROSSPANS ALONG PUBLIC STREETS AT THE INTERSECTION OF PRIVATE DRIVES
SHALL HAVE CONCRETE EXTENDED TO THE RIGHT-OF-WAY LINE.
6.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM; NAVD 88
(UNADJUSTED). SEE COVER SHEET FOR BENCHMARK REFERENCES.
7.CONSTRUCTION ON DITCH LATERAL WILL BE LIMITED FROM OCTOBER 1 TO MAY 1
WHEN NOT IN USE.
8.NO CUTTING OF EARTHWORK WITHIN 5 FEET OF DITCH LATERAL BANK EXCEPT AT
THE LOCATIONS OF THE 2 STREET CROSSINGS AND 2 WEIRS.
9.NO DISTURBANCE OF VEGETATED ROOT SYSTEM WITHIN 5 FEET OF TOP OF BANK
ALONG DITCH LATERAL.
10.STEPS ARE NOT SHOWN ON THE SIDEWALK CONNECTIONS TO THE FRONT PORCH
OF TOWNHOME BUILDINGS. STEPS SHALL BE DESIGNED PER AS-BUILT CONDITIONS
AND BUILDING CODE.
11.A DETAILED GRADING PLOT PLAN IS REQUIRED FOR ALL TYPE-A LOTS AT TIME OF
BUILDING PERMIT.
12.REFER TO SHEET CS2 FOR ADDITIONAL NOTES REGARDING THE WILLIAMSON DITCH
LATERAL.
13.SEE RENNAT SUBDIVISION PLAT (RECORDED CONCURRENTLY WITH HANSEN FARM)
FOR EASEMENT AND PUBLIC ROW RIGHTS RELATED TO OFFSITE IMPROVEMENTS.
36.25
(36.25)
2.0%
NOTES:
PROPOSED SLOPES
EXISTING SPOT ELEVATION
PROPOSED SPOT ELEVATION
PROPOSED EASEMENT
EXISTING RIGHT OF WAY
PROPOSED LOT LINE
PROPERTY BOUNDARY
PROPOSED CURB AND GUTTER
PROPOSED SWALE
EXISTING CONTOUR
PROPOSED CONTOUR
PROPOSED STORM INLET
PROPOSED STORM SEWER
EXISTING STORM SEWER
LODLIMITS OF DEVELOPMENT
PROPOSED RIGHT OF WAY
NATURAL HABITAT BUFFER ZONE (NHBZ)
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
( IN FEET )
0
1 INCH = 40 FEET
40 40 80 120
NORTH
MA
T
C
H
L
I
N
E
-
S
E
E
S
H
E
E
T
G1
MATCHLINE-SEE SHEET G4
G1
G3
G2
G4 G5
G6 G7
RECORD DRAWING
ALL
E
Y
9' UT
I
L
I
T
Y
E
A
S
E
M
E
N
T
9' UT
I
L
I
T
Y
E
A
S
E
M
E
N
T
24
'
F
L
-
F
L
36'FL-
F
L
9' U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
6' UE
6' UE
3' DRAINAGE
EASEMENT (TYP.)
KNO
B
B
Y
P
I
N
E
D
R
FAL
L
E
N
B
R
A
N
C
H
D
R
TRA
C
T
H
D,U,
A
&
E
A
E
LO
T
5
LO
T
4
LO
T
1
LO
T
2
LO
T
1
LO
T
2
LO
T
5
LO
T
4
LO
T
7
LO
T
1
LO
T
2
LO
T
5
LO
T
1
LO
T
2
LO
T
3
LO
T
2
LO
T
3
LO
T
3
LO
T
4
LO
T
3
TRACT I
D,U&PAE
6' CROSSPANS
TRACT I
D,U&PAE
RENNAT, HARRY
O TRUST
BLO
C
K
6
BLO
C
K
5
BLO
C
K
1
3
BLO
C
K
4
BLO
C
K
2
WILL
I
A
M
S
O
N
D
I
T
C
H
L
A
T
E
R
A
L
2'x3' RCBC
(SEE NOTES)
TRACT N
OPEN SPACE
10'Wx1'D WEIR
70.12
69
.
9
7
70.
7
1
69.
7
4
67.
1
0
67
.
0
7
67.
3
0
67.
3
5
67
.
5
4
67.7
2
67.8
2
67.85
67.
5
8
66
.
8
1
66.
5
1
66
.
2
1
65.
9
1
65
.
5
5
65
.
2
0
64.87
64.85
64
.
4
5
64
.
4
1
65.09
66.
6
3
67.
6
0
67.75
68.
2
1
68.
5
1
68.85
69.
1
3
69
.
4
4
69
.
9
3
70
.
0
3
70
.
3
9
64.
1
5
63.
5
3
63
.
4
4
64.04
65.10 64.40
64.33
64.1
3
65.82
66.51
66.76
67.01
LO
T
1
63.24
50' DITCH BUFFER FROM
TOP OF BANK
NATURAL HABITAT
BUFFER ZONE
TOP OF BANK
66.
1
9
A
FG=66.68
TF=67.35
LOT 17
A
FG=67.00
TF=67.67
LOT 18
A
FG=67.42
TF=68.09
LOT 1
A
FG=67.30
TF=67.97
LOT 2
A
FG=68.15
TF=68.82
LOT 3
A
FG=68.50
TF=69.17
LOT 4
A
FG=68.83
TF=69.50
LOT 5
A
FG=69.13
TF=69.80
LOT 6
A
FG=69.43
TF=70.10
LOT 7
A
FG=69.73
TF=70.40
LOT 8
A
FG=70.07
TF=70.74
LOT 9
A
FG=70.36
TF=71.03
LOT 10
A
FG=70.55
TF=71.22
LOT 11
A
FG=70.66
TF=71.33
65.73
66.18
66.50
66.92
67.30
67.65
68.00
68.33
68.63
68.93
69.23
69.57
69.86
70.05
65.45
65.90
66.08
66.20
66.61
66.96
67.32
67.66
67.98
68.28
68.58
68.87
69.01
69.12
68.46
68.64
68.8469.49
LO
T
4
LO
T
5
LO
T
6
LO
T
6
LO
T
7
4.1%
3.
7
%
5.7
%
6.8
%
10.0
%
2.2%
70.63
70.58
68.77
71.35
69.90
8.1%
5.0%
5.0
%
5.0
%
SEE CROSSING DETAIL
BOTTOM LEFT VIEW
71.53
70
.
5
0
70.50
71.58
69
.
8
9
69
.
9
0
2.
0
%
71.35
69.90
8.1
%
2'x3' RCBC
(SEE NOTES)
10'Wx1'D WEIR
71.64
71.2471.06
71.86
71.13
71.
7
9
71.16
71.94
71
.
4
3
71.88
71.3
5
71.16
71.16 71.65
70.08
70.18
69.55
69.65
4.5
%
4.8
%
4.6
%
25
.
1
%
25
.
1
%
4.
3
%
4.6
%
71.43
71.53
END ROAD
IMPROVEMENTS
70.58 2.3%2.3%
4.
4
%
4.
4
%
4.
4
%
4.
4
%
SEE SHEET D7 FOR
BOX CULVERT
DETAILS
SEE SHEET D7 FOR
BOX CULVERT
DETAILS
10'
68.0
0 69.5
8
67.8
6
69.4
4
16.7%
24.9%
G3
GR
A
D
I
N
G
P
L
A
N
13
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
h
e
r
n
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
06/25/21
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
LEGEND:
ST
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS,
UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION.
3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE
FINISHED GRADE ELEVATIONS UNLESS OTHERWISE NOTED.
4.THE TOP OF FOUNDATION ELEVATIONS SHOWN ARE THE MINIMUM ELEVATIONS
REQUIRED FOR PROTECTION FROM THE 100-YEAR STORM.
5.CROSSPANS ALONG PUBLIC STREETS AT THE INTERSECTION OF PRIVATE DRIVES
SHALL HAVE CONCRETE EXTENDED TO THE RIGHT-OF-WAY LINE.
6.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM; NAVD 88
(UNADJUSTED). SEE COVER SHEET FOR BENCHMARK REFERENCES.
7.CONSTRUCTION ON DITCH LATERAL WILL BE LIMITED FROM OCTOBER 1 TO MAY 1
WHEN NOT IN USE.
8.NO CUTTING OF EARTHWORK WITHIN 5 FEET OF DITCH LATERAL BANK EXCEPT AT
THE LOCATIONS OF THE 2 STREET CROSSINGS AND 2 WEIRS.
9.NO DISTURBANCE OF VEGETATED ROOT SYSTEM WITHIN 5 FEET OF TOP OF BANK
ALONG DITCH LATERAL.
10.STEPS ARE NOT SHOWN ON THE SIDEWALK CONNECTIONS TO THE FRONT PORCH
OF TOWNHOME BUILDINGS. STEPS SHALL BE DESIGNED PER AS-BUILT CONDITIONS
AND BUILDING CODE.
11.A DETAILED GRADING PLOT PLAN IS REQUIRED FOR ALL TYPE-A LOTS AT TIME OF
BUILDING PERMIT.
12.REFER TO SHEET CS2 FOR ADDITIONAL NOTES REGARDING THE WILLIAMSON DITCH
LATERAL.
13.SEE RENNAT SUBDIVISION PLAT (RECORDED CONCURRENTLY WITH HANSEN FARM)
FOR EASEMENT AND PUBLIC ROW RIGHTS RELATED TO OFFSITE IMPROVEMENTS.
36.25
(36.25)
2.0%
NOTES:
PROPOSED SLOPES
EXISTING SPOT ELEVATION
PROPOSED SPOT ELEVATION
PROPOSED EASEMENT
EXISTING RIGHT OF WAY
PROPOSED LOT LINE
PROPERTY BOUNDARY
PROPOSED CURB AND GUTTER
PROPOSED SWALE
EXISTING CONTOUR
PROPOSED CONTOUR
PROPOSED STORM INLET
PROPOSED STORM SEWER
EXISTING STORM SEWER
LODLIMITS OF DEVELOPMENT
PROPOSED RIGHT OF WAY
NATURAL HABITAT BUFFER ZONE (NHBZ)
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
( IN FEET )
0
1 INCH = 40 FEET
40 40 80 120
NORTH
MA
T
C
H
L
I
N
E
-
S
E
E
S
H
E
E
T
G4
MATCHLINE-SEE SHEET G1
G1
G3
G2
G4 G5
G6 G7
2
2
2
2
RECORD DRAWING
UD
UD
UD
UD
UD
UD
UD
UD
UD
UD
UD
UD
W
ALL
E
Y
FLOA
T
I
N
G
L
E
A
F
D
R
FLOATIN
G
L
E
A
F
D
R
6' UE
6' UE
3' DRAINAGE
EASEMENT (TYP.)
9' UT
I
L
I
T
Y
E
A
S
E
M
E
N
T
9' UT
I
L
I
T
Y
E
A
S
E
M
E
N
T
9' UTILIT
Y
E
A
S
E
M
E
N
T
36
'
F
L
-
F
L
59
'
R
O
W
6' UE
3' DRAINAGE
EASEMENT (TYP.)
6' UE
3' DRAINAGE
EASEMENT (TYP.)
9' UTILIT
Y
E
A
S
E
M
E
N
T
FA
L
L
E
N
B
R
A
N
C
H
D
R
9' UT
I
L
I
T
Y
E
A
S
E
M
E
N
T
59'
R
O
W
9' U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
59'
R
O
W
36'
F
L
-
F
L
6' UE
3' DRAINAGE
EASEMENT (TYP.)
3' DRAINAGE
EASEMENT (TYP.)
KNO
B
B
Y
P
I
N
E
D
R
FAL
L
E
N
B
R
A
N
C
H
D
R
9' U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
9' U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
TRACT E
FUTURE DEVELOPMENT
LO
T
5
LO
T
4
LO
T
3
TRACT G
D,U&PAE
TRACT F
DRAINAGE, UTILITY &
PEDESTRIAN ACCESS
EASEMENT
RAIN
GARDEN 2
RAIN
GARDEN 1
2' CONCRETE PAN
2' CONCRETE PAN
2' CONCRETE PAN
2' CONCRETE PAN
12' CONCRETE
PAN
12' CONCRETE
PAN
12' CONCRETE
PAN
2' CONCRETE PAN
2' CURB CUT &
SIDEWALK CHASE
(2) CONCRETE
SIDEWALK CHASES
MAIL C
R
E
E
K
D
I
T
C
H
BLOC
K
1
4
BLOCK
3
BLOC
K
2
BLOC
K
3
BLO
C
K
3
BLO
C
K
1
BLO
C
K
3
BLO
C
K
3
PROPOSED
RAIN GARDEN
UNDERDRAIN
FUTU
R
E
1
0
'
T
R
A
I
L
TRACT J
OPEN SPACE
DETENTION POND 1
100-YR VOL=10.01 ac
PEAK RELEASE=3.06 cfs
50' DITCH BUFFER FROM
TOP OF BANK
50' DITCH BUFFER FROM
TOP OF BANK
TOP OF BANK
TOP OF BANK
NATURAL HABITAT
BUFFER ZONE
NATURAL HABITAT
BUFFER ZONE
63
.
9
8
63
.
6
5
63.
4
1
64.
4
9
64.
7
3
64
.
2
8
65.53
64
.
7
1
64.
2
2
63
.
9
1
63.
5
6
63.
2
5
63.66
63
.
7
2
65
.
3
3
64.
9
6
64
.
6
0
64.
2
4
63
.
9
2
64.
1
5
63.
3
2
62.
9
6
62
.
6
0
62.
2
4
61.
8
8
61
.
5
2
61.
1
8
61
.
1
0
61
.
3
8
61
.
6
8
61.
9
8
62
.
1
5
62
.
2
5
64.
6
5
64.
5
3
63
.
9
3
62.
2
2
62
.
1
5
62
.
0
3
61
.
8
0
61
.
5
8
61
.
3
1
60.95
60
.
9
5
61
.
3
1
61
.
6
3
61.9
0
62
.
1
7
62
.
4
4
62
.
7
1
62.
9
8
61.00
61.00
61.00
61.00
61.00
61.00
61.00
61.00
61.
0
0
61
.
0
0
61
.
0
0
61
.
0
0
63.68
63.23
62.78
62.33
61.89
61.62
61.37
61.12
61.10
61.35
61.60
61.85
63.80
64.09
64.04
64.29
64
.
5
7
64.93
65.37
61.59
61.31
60.95
60.95
61.31
61.58
61.80
62.16
62.56
62.97
63.37
63.87
64.28
61.50
61.00
61.00
61.00
61.00
61.00
61.00
61.00
61.00
61.00
61.00
58.17
59.55
61
.
0
0
61.
0
0
61.
0
0
61.
0
0
61.00
61.68
62.
0
3
61
.
8
1
61.00
61.00
61.00
61.00
61.00
61.0
0
61.00
62.94
62.58
62.58
62.93
63.22
63.4
2
63.52
63.00
62.25
62.
2
5
62.25
62.25
62.25
62.
2
5
58.55
60.28
(2) CONCRETE
SIDEWALK CHASES
61.90
59.94
62.
0
8
61.
0
0
61.17
60.28
59.55
59
.
0
4
58.60
58
.
6
0
0.5
%
0.5%
59.50
59.5
0
58.16
56.54
59.14
CONCRETE
SIDEWALK CHASE
62.56
61.78
61.00
61.00
61.00
54.61
53.70
53.70
53.7
0
53.7
0
53
.
7
0
2.0
%
55.92
55.3
1
1.9%
2.0%
58.65
58.
6
0
59.50
59.5
0
59
.
5
0
A
FG=64.25
TF=64.92
LOT 8
A
FG=64.00
TF=64.67
LOT 9
A
FG=64.03
TF=64.70
LOT 10
A
FG=64.28
TF=64.95
LOT 11
A
FG=64.54
TF=65.21
LOT 12
A
FG=64.89
TF=65.56
LOT 13
A
FG=65.33
TF=66.00
LOT 14
A
FG=65.78
TF=66.45
LOT 15
A
FG=66.23
TF=66.90
LOT 16
B
FG=63.83
TF=64.50
LOT 3
B
FG=63.61
TF=64.28
LOT 4
B
FG=63.39
TF=64.06
LOT 5
B
FG=63.16
TF=63.83
LOT 6
B
FG=62.94
TF=63.61
LOT 7
B
FG=62.66
TF=63.33
LOT 8
B
FG=62.66
TF=63.33
LOT 9
B
FG=62.93
TF=63.60
LOT 10
B
FG=63.15
TF=63.82
LOT 11
B
FG=63.51
TF=64.18
LOT 12
B
FG=63.91
TF=64.58
LOT 13
B
FG=64.32
TF=64.99
LOT 14
B
FG=64.72
TF=65.39
LOT 15
B
FG=64.72
TF=65.39
LOT 16
B
FG=64.88
TF=65.55
LOT 17
B
FG=64.59
TF=65.26
LOT 18
B
FG=64.29
TF=64.96
LOT 19
B
FG=64.28
TF=64.95
LOT 20
B
FG=64.57
TF=65.24
LOT 21
B
FG=64.57
TF=65.24
LOT 22
B
FG=62.46
TF=63.13
LOT 43
B
FG=63.03
TF=63.70
LOT 42
B
FG=63.57
TF=64.24
LOT 41
B
FG=63.57
TF=64.24
LOT 40
B
FG=63.38
TF=64.05
LOT 39
B
FG=63.15
TF=63.82
LOT 38
B
FG=62.93
TF=63.60
LOT 37
B
FG=62.66
TF=63.33
LOT 36
B
FG=62.66
TF=63.33
LOT 35
B
FG=62.98
TF=63.65
LOT 34
B
FG=63.25
TF=63.92
LOT 33
B
FG=63.52
TF=64.19
LOT 32
B
FG=63.79
TF=64.46
LOT 31
B
FG=64.06
TF=64.73
LOT 30
B
FG=64.33
TF=65.00
LOT 29
B
FG=64.60
TF=65.27
LOT 28
B
FG=64.91
TF=65.58
LOT 27
B
FG=65.26
TF=65.93
LOT 26B
FG=65.57
TF=66.24
LOT 25B
FG=65.84
TF=66.51
LOT 24B
FG=65.84
TF=66.51
LOT 23
TF=67.28
A
FG=66.21
TF=66.88
LOT 41
A
FG=65.85
TF=66.52
LOT 42
A
FG=65.49
TF=66.16
LOT 43
A
FG=65.13
TF=65.80
LOT 44
A
FG=64.77
TF=65.44
LOT 45
A
FG=64.43
TF=65.10
LOT 46
A
FG=64.32
TF=64.99
LOT 47
A
FG=64.61
TF=65.28
LOT 48
A
FG=64.91
TF=65.58
LOT 49
A
FG=65.20
TF=65.87
LOT 50
63.00
63.53
63.78
64.04
64.39
64.83
65.28
65
.
3
5
64
.
9
9
64
.
6
3
64.
2
7
63.
7
5
63
.
5
4
64.
1
1
64
.
4
1
64
.
7
0
61.9
6
62.5
3
63.
0
7
62
.
8
8
62.
6
5
62
.
4
3
62
.
1
6
62
.
1
6
62.48
62.75
63.02
63.29
63.56
63.80
64.10
64.40
64.76
65.07
65.34
64.07
63.78
63.79
64.09
64.22
63.82
63.41
63.01
62.65
62.40
62.16
62.16
62.66
62.89
63.11
63.33
63.12
62.87
62.90
63.15
63.40
63.66
64.10
64.55
65.00
64.57
64.21
63.85
63.49
63.15
63.07
63.35
63.65
63.95
64.24
56.2
5
57.1
9
56.3
3
57.3
4
57.5
2
57.6
2
57.6
6
57.5
3
56.5
5
56.9
8
55.8
9
55.8
7
56.2
9
55.9
5
57.3
0
56.
4
7
55.7
0
57.10
57.00
55.45
57.95
56.98
57.14
57.03
57.52
58.46
57.95
58.04
58.00
58.69
0.5
%
0.5
%
0.5%
0.5%
0.5%
0.
5
%
0.5
%
0.5%55.2
8
4.1%
2.0
%
2.
0
%
2.0%
2.0%
1.9%
6.3
%
4.2%
2.
0
%
1.9
%
2.0
%
2.0
%
2.0
%
9.3%
8.2%
2.0%
1.9%
1.9%
2.0%
2.0
%
2.0%
15.
5
%
13.3
%
14
.
7
%
10
.
6
%
7.7
%
7.0%
6.2
%
8.0%
6.2
%
58.8
3
60.46
PROPOSED GRADE
BREAK (TYP.)
59.51
58
.
0
0
60.
6
0
60.
4
0
59.8
0 60.
0
0
60
.
0
0
59.80
59
.
8
0
60
.
0
0
59.
8
0
60
.
0
0
60.
4
0
60
.
6
0
59
.
7
4
7.
4
%
3.1%
64
.
2
9
64.01
66
.
3
7
67.44
69.68
17.
6
%
20.9
%
5' W
A
L
K
64
.
6
4
64
.
7
3
66
.
8
7
67.
9
4
61.50
61.5061.50
61.3
0
61.22
60.95
60.75
60.60
60.40
4.4
%
8.
4
%
61.50
61.50
60.93
61
.
3
0
60.73
60.60
60.60
60.60
60.60
60.60
60.6
0
60.40
60.4
0
60
.
3
8
0.5%
0.
7
%
0.7%
5.0
%
3.8%
62.
1
3
NATURAL HABITAT
BUFFER ZONE
STORM LINE B1
SEE SHEET ST3
STORM LINE G
SEE SHEET ST5
STORM LINE H
SEE SHEET ST5
STORM LINE F
SEE SHEET ST5
PROPOSED
POND DEPTH
GAUGE
54.7
0
53.70
54.8
1
53.7
1
54.9
6
54
.
7
0
55.53
53.7
5
54.71
54
.
7
0
53.7
0
54.65
PROVIDE
LINER
PROVIDE
LINER
56.58
56.17
56.2
9
57.6
8
58.5
2
PUBLIC ACCESS
TRAIL EASEMENT
60.83
59.58
59.58
60
.
8
3
62.46
61
.
2
0
MOE=63.60
MOE=63.60
MOE=62.50
60.60
60.60
MOE=62.00
MOE=61.60
MOE=61.60
MOE=61.60
MOE=62.00
MOE=62.50
MOE=62.00
MOE=62.00
MOE=62.00
MOE=62.00
MOE=62.00
MOE=62.00
MOE=62.00
MOE=62.00
MOE=62.00
MOE=62.00
MOE=62.00 MOE=62.00
MOE=62.00
4'W x 8'L SCOURSTOP PADS
4'W x 8'L SCOURSTOP PADS
64.88
G4
GR
A
D
I
N
G
P
L
A
N
14
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
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i
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1
0
0
Fo
r
t
C
o
l
l
i
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s
,
C
o
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o
r
a
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o
8
0
5
2
1
E
N
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I
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E
R
N
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I
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H
T
R
O
N
R
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PH
O
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E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
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c
o
m
06/25/21
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
LEGEND:
ST
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS,
UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION.
3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE
FINISHED GRADE ELEVATIONS UNLESS OTHERWISE NOTED.
4.THE TOP OF FOUNDATION ELEVATIONS SHOWN ARE THE MINIMUM ELEVATIONS
REQUIRED FOR PROTECTION FROM THE 100-YEAR STORM.
5.CROSSPANS ALONG PUBLIC STREETS AT THE INTERSECTION OF PRIVATE DRIVES
SHALL HAVE CONCRETE EXTENDED TO THE RIGHT-OF-WAY LINE.
6.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM; NAVD 88
(UNADJUSTED). SEE COVER SHEET FOR BENCHMARK REFERENCES.
7.CONSTRUCTION ON DITCH LATERAL WILL BE LIMITED FROM OCTOBER 1 TO MAY 1
WHEN NOT IN USE.
8.NO CUTTING OF EARTHWORK WITHIN 5 FEET OF DITCH LATERAL BANK EXCEPT AT
THE LOCATIONS OF THE 2 STREET CROSSINGS AND 2 WEIRS.
9.NO DISTURBANCE OF VEGETATED ROOT SYSTEM WITHIN 5 FEET OF TOP OF BANK
ALONG DITCH LATERAL.
10.STEPS ARE NOT SHOWN ON THE SIDEWALK CONNECTIONS TO THE FRONT PORCH
OF TOWNHOME BUILDINGS. STEPS SHALL BE DESIGNED PER AS-BUILT CONDITIONS
AND BUILDING CODE.
11.A DETAILED GRADING PLOT PLAN IS REQUIRED FOR ALL TYPE-A LOTS AT TIME OF
BUILDING PERMIT.
12.REFER TO SHEET CS2 FOR ADDITIONAL NOTES REGARDING THE WILLIAMSON DITCH
LATERAL.
13.SEE RENNAT SUBDIVISION PLAT (RECORDED CONCURRENTLY WITH HANSEN FARM)
FOR EASEMENT AND PUBLIC ROW RIGHTS RELATED TO OFFSITE IMPROVEMENTS.
36.25
(36.25)
2.0%
NOTES:
PROPOSED SLOPES
EXISTING SPOT ELEVATION
PROPOSED SPOT ELEVATION
PROPOSED EASEMENT
EXISTING RIGHT OF WAY
PROPOSED LOT LINE
PROPERTY BOUNDARY
PROPOSED CURB AND GUTTER
PROPOSED SWALE
EXISTING CONTOUR
PROPOSED CONTOUR
PROPOSED STORM INLET
PROPOSED STORM SEWER
EXISTING STORM SEWER
LODLIMITS OF DEVELOPMENT
PROPOSED RIGHT OF WAY
NATURAL HABITAT BUFFER ZONE (NHBZ)
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
( IN FEET )
0
1 INCH = 40 FEET
40 40 80 120
NORTH
MA
T
C
H
L
I
N
E
-
S
E
E
S
H
E
E
T
G3
MATCHLINE-SEE SHEET G2
MATCHLINE-SEE SHEET G6
G1
G3
G2
G4 G5
G6 G7
MA
T
C
H
L
I
N
E
-
S
E
E
S
H
E
E
T
G5
RECORD DRAWING
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
ST
TELE
ST
M
GAS
F.O.
MM
X
F.O.M
9'
U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
9'
U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
9' UTILITY EASEMENT
9' UTILITY EASEMENT
TI
M
B
E
R
L
I
N
E
R
D
TI
M
B
E
R
L
I
N
E
R
D
59
'
R
O
W
36
'
F
L
-
F
L
BU
R
L
Y
T
R
E
E
D
R
6' UE
3' DRAINAGE
EASEMENT (TYP.)
TWISTED ROOT DR
100' ROW
119.5' ROW
LIEBL MRD
LIEBL MRD
CITY OF
FORT COLLINS
DETENTION POND 2
100-YR VOL=1.85 ac
PEAK RELEASE=3.48 cfs
WILLOW SPRINGS PUD
6' CROSSPAN
TRACT K
D&UE
TRACT L
D&UE
TRACT A
MAIL CREEK DITCH
MAINTENANCE AND ACCESS ESMT
PROPOSED EMERGENCY ACCESS GATE
- SEE DETAILS, SHEET D11
15
'
U
T
I
L
I
T
Y
&
P
U
B
L
I
C
AC
C
E
S
S
T
R
A
I
L
E
A
S
E
M
E
N
T
15
'
U
T
I
L
I
T
Y
&
P
U
B
L
I
C
AC
C
E
S
S
T
R
A
I
L
E
A
S
E
M
E
N
T
62.
0
8
61
.
5
8
61
.
0
6
61
.
5
8
62.
1
2
65.
2
2
60
.
4
1
60.
3
4
60.
9
1
61.
0
6
60.
6
5
60.
3
6
61
.
0
0
61.
0
0
60
.
3
0
60.
9
0
60.
7
8
62
.
2
2
61.
9
2
60.9
4
60
.
9
9
60.
8
7
54.9
5
57.9
8
60.7
8
2.9%
2.0
%
2.0%
53.
1
5
52.
9
4
0.5%
55.30
57.
0
7
57.
5
4
61
.
7
6
63.
3
3
T
FG=64.66
TF=65.33
LOT 51
B
FG=63.70
TF=64.37
LOT 52
B
FG=63.17
TF=63.84
LOT 53
B
FG=62.65
TF=63.32
LOT 54
B
FG=62.41
TF=63.08
LOT 55
64.
1
6
63.20
62.67
62.15
61.91
PROPOSED GRADE
BREAK (TYP.)
61.
0
0
61
.
0
0
61.
0
0
60
.
1
82.9%
60.14
59.
8
5
60.11
60.1
8
60.38
60.60
60.56
4.4%
5.1%
5.4
%
9.0
%
6.1
%
9.7
%
24
.
2
%
19.2%
4.
3
%
7.
0
%
10.5%
4:1
4:1
17
.
9
%
6.0%
STORM LINE B1
SEE SHEET ST3
STORM LINE B
SEE SHEET ST2
STORM LINE A
SEE SHEET ST1
PROPOSED
POND DEPTH
GAUGE
PUBLIC ACCESS
TRAIL EASEMENT
53.1
8
G5
GR
A
D
I
N
G
P
L
A
N
15
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
h
e
r
n
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
06/25/21
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
LEGEND:
ST
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS,
UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION.
3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE
FINISHED GRADE ELEVATIONS UNLESS OTHERWISE NOTED.
4.THE TOP OF FOUNDATION ELEVATIONS SHOWN ARE THE MINIMUM ELEVATIONS
REQUIRED FOR PROTECTION FROM THE 100-YEAR STORM.
5.CROSSPANS ALONG PUBLIC STREETS AT THE INTERSECTION OF PRIVATE DRIVES
SHALL HAVE CONCRETE EXTENDED TO THE RIGHT-OF-WAY LINE.
6.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM; NAVD 88
(UNADJUSTED). SEE COVER SHEET FOR BENCHMARK REFERENCES.
7.CONSTRUCTION ON DITCH LATERAL WILL BE LIMITED FROM OCTOBER 1 TO MAY 1
WHEN NOT IN USE.
8.NO CUTTING OF EARTHWORK WITHIN 5 FEET OF DITCH LATERAL BANK EXCEPT AT
THE LOCATIONS OF THE 2 STREET CROSSINGS AND 2 WEIRS.
9.NO DISTURBANCE OF VEGETATED ROOT SYSTEM WITHIN 5 FEET OF TOP OF BANK
ALONG DITCH LATERAL.
10.STEPS ARE NOT SHOWN ON THE SIDEWALK CONNECTIONS TO THE FRONT PORCH
OF TOWNHOME BUILDINGS. STEPS SHALL BE DESIGNED PER AS-BUILT CONDITIONS
AND BUILDING CODE.
11.A DETAILED GRADING PLOT PLAN IS REQUIRED FOR ALL TYPE-A LOTS AT TIME OF
BUILDING PERMIT.
12.REFER TO SHEET CS2 FOR ADDITIONAL NOTES REGARDING THE WILLIAMSON DITCH
LATERAL.
13.SEE RENNAT SUBDIVISION PLAT (RECORDED CONCURRENTLY WITH HANSEN FARM)
FOR EASEMENT AND PUBLIC ROW RIGHTS RELATED TO OFFSITE IMPROVEMENTS.
36.25
(36.25)
2.0%
NOTES:
PROPOSED SLOPES
EXISTING SPOT ELEVATION
PROPOSED SPOT ELEVATION
PROPOSED EASEMENT
EXISTING RIGHT OF WAY
PROPOSED LOT LINE
PROPERTY BOUNDARY
PROPOSED CURB AND GUTTER
PROPOSED SWALE
EXISTING CONTOUR
PROPOSED CONTOUR
PROPOSED STORM INLET
PROPOSED STORM SEWER
EXISTING STORM SEWER
LODLIMITS OF DEVELOPMENT
PROPOSED RIGHT OF WAY
NATURAL HABITAT BUFFER ZONE (NHBZ)
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
( IN FEET )
0
1 INCH = 40 FEET
40 40 80 120
NORTH
MATCHLINE-SEE SHEET G7
G1
G3
G2
G4 G5
G6 G7
MA
T
C
H
L
I
N
E
-
S
E
E
S
H
E
E
T
G4
POND 2 SOUTH FLOWLINE AND
PAN MODIFIED FOR STORM DRAIN
LINE B/B1 ALTERATIONS.
NEGLIGIBLE CHANGE IN POND
VOLUME.
1
RECORD DRAWING
X
XX
X
X
X
9' UTILITY EASEMENT
9' UTILITY EASEMENT
59
'
R
O
W
36
'
F
L
-
F
L
3' DRAINAGE EASEMENT (TYP.)
KNOBBY PINE DR
WILL
I
A
M
S
O
N
D
I
T
C
H
L
A
T
E
R
A
L
WILL
I
A
M
S
O
N
D
I
T
C
H
L
A
T
E
R
A
L
RENNAT, HARRY
O TRUST
RENNAT, HARRY
O TRUST
BLO
C
K
1
2'x3' RCBC
(SEE NOTES)
FUTURE PEDESTRIAN BRIDGE
(BY OTHERS)
TRACT B
FUTURE PUBLIC PARK
20' PEDESTRIAN
ACCESS ESMT
50' DITCH BUFFER FROM
TOP OF BANK
TOP OF BANK
NATURAL HABITAT
BUFFER ZONE
10'Wx1'D WEIR
65.05
64.80
64.55
64.30
64.
0
5
61.
9
0
63.
4
6
62.
9
9
62
.
7
0
62.
4
8
62
.
2
6
61.00
63.34
63.13
62.85
62.60
62.35
62.10
65.30
65.55
65.84
66.14
(67.15)
67.
9
0
67
.
9
0
2.0
%
61.
0
0
61
.
7
8
A
FG=66.11
TF=66.78
LOT 1
A
FG=65.81
TF=66.48
LOT 2
A
FG=65.51
TF=66.18
LOT 3
A
FG=65.25
TF=65.92
LOT 4
A
FG=65.00
TF=65.67
LOT 5
A
FG=64.75
TF=65.42
LOT 6
A
FG=64.50
TF=65.17
LOT 7
B
FG=64.06
TF=64.73
LOT 1
B
FG=64.06
TF=64.73
LOT 2
65.61
65.31
65.01
64.75
64.50
64.25
64.00
63.75
63.56
65.18
64.86
64.58
63.93
64.12
63.87
63.62
63.37
2.9
%
2.6
%
2.8
%
3.2%
2.8
%
2.4
%
8.6
%
9.7
%
69.
1
1
69.
5
0
69
.
4
6
69
.
2
5
69
.
6
9
70
.
0
2
69.69
22.9
%
10.
3
%
10.
2
%
11.
3
%
5' W
A
L
K
69.
6
0
70
.
0
4
5.0
%
5.0
%
5.0
%
5.0
%
0.5
%
0.7%
SEE CROSSING
DETAIL BOTTOM LEFT
VIEW
WILL
I
A
M
S
O
N
D
I
T
C
H
L
A
T
E
R
A
L
70.67
70.
0
4
5'
W
A
L
K
70
.
7
6
DITC
H
L
A
T
E
R
A
L
FUTURE
PEDESTRIAN BRIDGE
(BY OTHERS)
PROVIDE TYPE III
BARRICADE
66.9
2
68.5
0
71.1
3
71.0
9
68.4
5
66.8
7
24.1
%
21.7
%
67.
3
4
68.
5
4
68.50
69.56
2'x3' RCBC
(SEE NOTES)
68.60
69
.
2
2
68
.
8
9
68.
1
7
68
.
8
4
69
.
2
6
2.5
%
3.1
%
5.
0
%
2.2
%2.4
%
PROPOSED EDGE
OF ASPHALT
PROPOSED EDGE
OF ASPHALT
SEE SHEET D7 FOR
BOX CULVERT
DETAILS
SEE SHEET D7 FOR
BOX CULVERT
DETAILS
1.
9
%
2.3
%
2.
9
%
68
.
1
7
2.
0
%
2.
0
%
2.
0
%
0.8%
0.8%
1.6%
10'WX1'D WEIR
10'65.6
5
67.2
3
69.3
4
68.7
3
67.0
0
65.4
2
9.8%
13.1
%
69.4
9
68.7
6
G6
GR
A
D
I
N
G
P
L
A
N
16
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
h
e
r
n
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
06/25/21
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
LEGEND:
ST
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS,
UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION.
3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE
FINISHED GRADE ELEVATIONS UNLESS OTHERWISE NOTED.
4.THE TOP OF FOUNDATION ELEVATIONS SHOWN ARE THE MINIMUM ELEVATIONS
REQUIRED FOR PROTECTION FROM THE 100-YEAR STORM.
5.CROSSPANS ALONG PUBLIC STREETS AT THE INTERSECTION OF PRIVATE DRIVES
SHALL HAVE CONCRETE EXTENDED TO THE RIGHT-OF-WAY LINE.
6.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM; NAVD 88
(UNADJUSTED). SEE COVER SHEET FOR BENCHMARK REFERENCES.
7.CONSTRUCTION ON DITCH LATERAL WILL BE LIMITED FROM OCTOBER 1 TO MAY 1
WHEN NOT IN USE.
8.NO CUTTING OF EARTHWORK WITHIN 5 FEET OF DITCH LATERAL BANK EXCEPT AT
THE LOCATIONS OF THE 2 STREET CROSSINGS AND 2 WEIRS.
9.NO DISTURBANCE OF VEGETATED ROOT SYSTEM WITHIN 5 FEET OF TOP OF BANK
ALONG DITCH LATERAL.
10.STEPS ARE NOT SHOWN ON THE SIDEWALK CONNECTIONS TO THE FRONT PORCH
OF TOWNHOME BUILDINGS. STEPS SHALL BE DESIGNED PER AS-BUILT CONDITIONS
AND BUILDING CODE.
11.A DETAILED GRADING PLOT PLAN IS REQUIRED FOR ALL TYPE-A LOTS AT TIME OF
BUILDING PERMIT.
12.REFER TO SHEET CS2 FOR ADDITIONAL NOTES REGARDING THE WILLIAMSON DITCH
LATERAL.
13.SEE RENNAT SUBDIVISION PLAT (RECORDED CONCURRENTLY WITH HANSEN FARM)
FOR EASEMENT AND PUBLIC ROW RIGHTS RELATED TO OFFSITE IMPROVEMENTS.
36.25
(36.25)
2.0%
NOTES:
PROPOSED SLOPES
EXISTING SPOT ELEVATION
PROPOSED SPOT ELEVATION
PROPOSED EASEMENT
EXISTING RIGHT OF WAY
PROPOSED LOT LINE
PROPERTY BOUNDARY
PROPOSED CURB AND GUTTER
PROPOSED SWALE
EXISTING CONTOUR
PROPOSED CONTOUR
PROPOSED STORM INLET
PROPOSED STORM SEWER
EXISTING STORM SEWER
LODLIMITS OF DEVELOPMENT
PROPOSED RIGHT OF WAY
NATURAL HABITAT BUFFER ZONE (NHBZ)
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
( IN FEET )
0
1 INCH = 40 FEET
40 40 80 120
NORTHMATCHLINE-SEE SHEET G4
G1
G3
G2
G4 G5
G6 G7
MA
T
C
H
L
I
N
E
-
S
E
E
S
H
E
E
T
G7
MATCHLINE-SEE SHEET G7
30"X19" ELLIPTICAL RCP CULVERT
30"X19" ELLIPTICAL RCP CULVERT
2
2
2
2
2
2
RECORD DRAWING
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
16
"
W
FO
ST
T
X
XX
8" W 8" W
T S
T S
T S
T S
9' UTILITY EASEMENT
ZEPHYR ROAD
54
'
F
L
-
F
L
76
'
R
O
W
TI
M
B
E
R
L
I
N
E
R
D
TI
M
B
E
R
L
I
N
E
R
D
36' FL-FL
59' ROW
BU
R
L
Y
T
R
E
E
D
R
15
'
U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
107.5' ROW
127.5' ROW
129' ROW
STORM DRAIN D
6' CROSSPAN
ZEPHYR ROAD
THE TIMBERS
PUD
FORT COLLINS
BACON
ELEMENTARY
POUDRE SCHOOL
DISTRICT
CONNECT TO
EXISTING STORM
MANHOLE
DETENTION POND 4
100-YR VOL=0.96 ac
PEAK RELEASE=0.47 cfs
9'
U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
9'
U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
TEMPORARY
SWALE
TRACT D
FUTURE DEVELOPMENT
50' DRAINAGE
AND UTIL ESMT
9' UTILITY EASEMENT
TRACT M
D&UE
TOP OF BANK
20' GRAVEL ROAD CAPABLE
OF SUPPORTING 40 TONS
PROPOSED
IRRIGATION
CULVERT
15
'
U
T
I
L
I
T
Y
&
P
U
B
L
I
C
AC
C
E
S
S
T
R
A
I
L
E
A
S
E
M
E
N
T
60.45
60.
1
5
59.63 59.
6
7
59
.
9
8
60
.
9
4
60.
8
1
60.8
4
60
.
4
3
66
.
4
3
66.
7
1
67.
3
4
68
.
5
4
61.7
0
62.
2
5
61.
8
9
62
.
9
7
63.05
63
.
0
4
62.
8
1
62.
2
0
61
.
5
9
61.
7
3
54.
7
8
53
.
3
0
53.36
0.5%
53.80
DETENTION POND 3
100-YR VOL=2.24 ac
PEAK RELEASE=9.89 cfs
54.15
53.7460.00
60.00
55
.
1
0
55
.
6
7
55.
9
7
56.
1
2
56.
1
6
56
.
2
0
56.6
2
56.
8
6
57.
1
7
57
.
3
4
63
.
2
8
63.
7
2
63
.
5
3
63.
3
1
63.
6
2
63
.
1
9
64
.
1
4
60.78
60.78
60.39
60.39
60.00
59.82
60.19
59.67
14.7%
25
.
4
%
25
.
1
%
25
.
3
%
25
.
9
%
4:1
20.1%
22
.
2
%
18.2
%
14
.
7
%
24
.
3
%
4.8%
4.2%
STORM LINE A
SEE SHEET ST1
STORM LINE A
SEE SHEET ST1STORM LINE E
SEE SHEET ST4
STORM LINE C
SEE SHEET ST2
68
.
8
9
68.
1
7
68
.
8
4
2.5
%
2.2
%
2.4
%
PROPOSED EDGE
OF ASPHALT
2.3
%
68.
1
7
2.
0
%
2.
0
%
1.6%
PROPOSED
POND DEPTH
GAUGE
PROPOSED
POND DEPTH
GAUGE
53.4
7
68.7
3
67.0
0
65.4
29.8%
68.7
6
12" W
12" W
12" W
X X
SS SS
X
X
X
X
X
X
X
X
X
X
X X
X
X
X
X
X
X
X X X
X
X
IR
R
ROSEN RD
20' EMERGENCY
ACCESS ESMT
30' SFCSD
EASEMENT
TRACT C
FUTURE DEVELOPMENT
20' GRAVEL ROAD CAPABLE
OF SUPPORTING 40 TONS
G7
GR
A
D
I
N
G
P
L
A
N
17
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
h
e
r
n
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
06/25/21
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
LEGEND:
ST
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS,
UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION.
3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE
FINISHED GRADE ELEVATIONS UNLESS OTHERWISE NOTED.
4.THE TOP OF FOUNDATION ELEVATIONS SHOWN ARE THE MINIMUM ELEVATIONS
REQUIRED FOR PROTECTION FROM THE 100-YEAR STORM.
5.CROSSPANS ALONG PUBLIC STREETS AT THE INTERSECTION OF PRIVATE DRIVES
SHALL HAVE CONCRETE EXTENDED TO THE RIGHT-OF-WAY LINE.
6.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM; NAVD 88
(UNADJUSTED). SEE COVER SHEET FOR BENCHMARK REFERENCES.
7.CONSTRUCTION ON DITCH LATERAL WILL BE LIMITED FROM OCTOBER 1 TO MAY 1
WHEN NOT IN USE.
8.NO CUTTING OF EARTHWORK WITHIN 5 FEET OF DITCH LATERAL BANK EXCEPT AT
THE LOCATIONS OF THE 2 STREET CROSSINGS AND 2 WEIRS.
9.NO DISTURBANCE OF VEGETATED ROOT SYSTEM WITHIN 5 FEET OF TOP OF BANK
ALONG DITCH LATERAL.
10.STEPS ARE NOT SHOWN ON THE SIDEWALK CONNECTIONS TO THE FRONT PORCH
OF TOWNHOME BUILDINGS. STEPS SHALL BE DESIGNED PER AS-BUILT CONDITIONS
AND BUILDING CODE.
11.A DETAILED GRADING PLOT PLAN IS REQUIRED FOR ALL TYPE-A LOTS AT TIME OF
BUILDING PERMIT.
12.REFER TO SHEET CS2 FOR ADDITIONAL NOTES REGARDING THE WILLIAMSON DITCH
LATERAL.
13.SEE RENNAT SUBDIVISION PLAT (RECORDED CONCURRENTLY WITH HANSEN FARM)
FOR EASEMENT AND PUBLIC ROW RIGHTS RELATED TO OFFSITE IMPROVEMENTS.
36.25
(36.25)
2.0%
NOTES:
PROPOSED SLOPES
EXISTING SPOT ELEVATION
PROPOSED SPOT ELEVATION
PROPOSED EASEMENT
EXISTING RIGHT OF WAY
PROPOSED LOT LINE
PROPERTY BOUNDARY
PROPOSED CURB AND GUTTER
PROPOSED SWALE
EXISTING CONTOUR
PROPOSED CONTOUR
PROPOSED STORM INLET
PROPOSED STORM SEWER
EXISTING STORM SEWER
LODLIMITS OF DEVELOPMENT
PROPOSED RIGHT OF WAY
NATURAL HABITAT BUFFER ZONE (NHBZ)
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
( IN FEET )
0
1 INCH = 40 FEET
40 40 80 120
NORTHMATCHLINE-SEE SHEET G5
G1
G3
G2
G4 G5
G6 G7
MA
T
C
H
L
I
N
E
-
S
E
E
S
H
E
E
T
G6
MATCHLINE-THIS SHEET
MATCHLINE-THIS SHEET
RECORD DRAWING
B
FG=74.16
TF=74.83
LOT 10
B
FG=74.16
TF=74.83
LOT 9
B
FG=72.79
TF=73.46
LOT 8 B
FG=72.79
TF=73.46
LOT 7 B
FG=71.73
TF=72.40
LOT 6 B
FG=71.73
TF=72.40
LOT 5
B
FG=71.08
TF=71.75
LOT 4 B
FG=71.08
TF=71.75
LOT 3 B
FG=70.82
TF=71.49
LOT 2
B
FG=70.82
TF=71.49
LOT 1
B
FG=70.25
TF=70.92
LOT 14
B
FG=70.25
TF=70.92
LOT 13
B
FG=69.59
TF=70.26
LOT 12
B
FG=69.59
TF=70.26
LOT 11
B
FG=70.10
TF=70.77
LOT 5
B
FG=70.63
TF=71.30
LOT 4
B
FG=70.63
TF=71.30
LOT 3
B
FG=71.27
TF=71.94
LOT 2
B
FG=71.27
TF=71.94
LOT 1
B
FG=71.95
TF=72.62
LOT 8
B
FG=71.95
TF=72.62
LOT 7
B
FG=72.60
TF=73.27
LOT 6
B
FG=72.60
TF=73.27
LOT 5
B
FG=73.56
TF=74.23
LOT 4
B
FG=73.56
TF=74.23
LOT 3
B
FG=74.58
TF=75.25
LOT 2
B
FG=74.58
TF=75.25
LOT 1
15' UTILIT
Y
E
A
S
E
M
E
N
T
15' UTILIT
Y
E
A
S
E
M
E
N
T
24
'
F
L
-
F
L
4.5' SIDEW
A
L
K
9' UTILITY
E
A
S
E
M
E
N
T
4.5' SIDEW
A
L
K
9' UTILITY
E
A
S
E
M
E
N
T
4' SIDEWALK
(TYP.)
FLOAT
I
N
G
L
E
A
F
D
R
KNOBBY PINE DR
ALLEY
HA
P
P
Y
W
O
O
D
L
A
N
D
D
R
OUTFALL
DRIVE-OVER
CURB
TRACT B
D,U,A&EAE
TRACT A
D,U&PAE
TRACT C
D,U&PAE
BLOCK 4
BLOCK 1
BLOCK 3
BLOCK 2
67.7
2
67.9
5
68.15
69.5
0
68.9
3
69.30
69.6
7
69.7
9
70.0
3
68.33
68.4
9
68.78
69.1
8
70.4
2
70.2
1
70.0
8
69.9
2
70.3
8
70.5
5
71.0
2
70.2
4
70.4
0
70.9
2
71.3
3
70.7
6
71.8
5
72.9
6
72.1
5
72.2
7
73.1
2
72.7
0
73.9
8
73.1
1
72.4
1
73.4
6
73.0
2 72.2
8
71.8
6
71.3
7
70.8
2
71.0
0
72.1
9
71.6
4
71.0
5
70.5
3
70.0
5
71.1
3
70.4
7
69.9
0
69.6
3
69.3
6
69.5
2
70.4
8
69.7
1
69.4
3
69.5
5
69.3
3
69.3
8
70.2
2
69.1
7
69.0
5
69.9
5
68.8
6
69.2
3
68.5
5
69.6
5
68.9
6
68.5
6
68.19
67.96
68.8
9
68.0
3
67.8
9
67.8
0
67.62
68.3
9
67.46
70.9
0
70.6
7
70.10
71.3
0
69.8
9
69.1
1
71.7
4
72.4
4
71.3
5
72.0
0
73.0
3
74.4
1
74.4
1
71.1
9
71.1
9
70.4
0
70.4
0
70.0
0
70.0
0
70.14
70.14
5'
C
O
N
C
R
E
T
E
T
R
A
I
L
5' C
O
N
C
R
E
T
E
T
R
A
I
L
73.0
3
73.3
7
73.3
7
72.4
4
72.3
4
72.3
4
69.8
3
REMOVE SIDEWALK CHASE
70
.
0
6
70.37
71
.
2
7
71
.
2
7
70
.
3
7
70
.
0
6
68
.
9
9
69
.
5
9
69
.
5
9
69.59
69
.
5
9
70
.
2
5
70
.
2
5
70
.
8
2
70
.
8
2
70
.
8
2
70
.
8
2
71
.
0
8
71
.
0
8
71
.
0
8
INFLOW
DRIVE-OVER
CURB
71
.
0
8
71
.
7
3
71
.
7
3
71
.
7
3
71
.
7
3
72
.
7
6
72
.
7
6
72
.
7
9
72
.
7
9
74
.
0
3
74
.
0
3
74
.
1
6
74
.
1
6
74
.
5
8
74
.
5
8
71
.
9
5
71
.
9
5
71
.
9
5
71
.
9
5
68.44
69.1
3
8" THICK
CONCRETE
CROSSWALK
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
h
e
r
n
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
11/05/21
G8
DE
T
A
I
L
E
D
G
R
A
D
I
N
G
P
L
A
N
18
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
LEGEND:
ST
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS,
UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION.
3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE
FINISHED GRADE ELEVATIONS UNLESS OTHERWISE NOTED.
4.THE TOP OF FOUNDATION ELEVATIONS SHOWN ARE THE MINIMUM ELEVATIONS
REQUIRED FOR PROTECTION FROM THE 100-YEAR STORM.
5.CROSSPANS ALONG PUBLIC STREETS AT THE INTERSECTION OF PRIVATE DRIVES
SHALL HAVE CONCRETE EXTENDED TO THE RIGHT-OF-WAY LINE.
6.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM; NAVD 88
(UNADJUSTED). SEE COVER SHEET FOR BENCHMARK REFERENCES.
7.CONSTRUCTION ON DITCH LATERAL WILL BE LIMITED FROM OCTOBER 1 TO MAY 1
WHEN NOT IN USE.
8.NO CUTTING OF EARTHWORK WITHIN 5 FEET OF DITCH LATERAL BANK EXCEPT AT
THE LOCATIONS OF THE 2 STREET CROSSINGS AND 2 WEIRS.
9.NO DISTURBANCE OF VEGETATED ROOT SYSTEM WITHIN 5 FEET OF TOP OF BANK
ALONG DITCH LATERAL.
10.STEPS ARE NOT SHOWN ON THE SIDEWALK CONNECTIONS TO THE FRONT PORCH
OF TOWNHOME BUILDINGS. STEPS SHALL BE DESIGNED PER AS-BUILT CONDITIONS
AND BUILDING CODE.
11.A DETAILED GRADING PLOT PLAN IS REQUIRED FOR ALL TYPE-A LOTS AT TIME OF
BUILDING PERMIT.
12.REFER TO SHEET CS2 FOR ADDITIONAL NOTES REGARDING THE WILLIAMSON DITCH
LATERAL.
13.SEE RENNAT SUBDIVISION PLAT (RECORDED CONCURRENTLY WITH HANSEN FARM)
FOR EASEMENT AND PUBLIC ROW RIGHTS RELATED TO OFFSITE IMPROVEMENTS.
36.25
(36.25)
2.0%
NOTES:
PROPOSED SLOPES
EXISTING SPOT ELEVATION
PROPOSED SPOT ELEVATION
PROPOSED EASEMENT
EXISTING RIGHT OF WAY
PROPOSED LOT LINE
PROPERTY BOUNDARY
PROPOSED CURB AND GUTTER
PROPOSED SWALE
EXISTING CONTOUR
PROPOSED CONTOUR
PROPOSED STORM INLET
PROPOSED STORM SEWER
EXISTING STORM SEWER
LODLIMITS OF DEVELOPMENT
PROPOSED RIGHT OF WAY
NATURAL HABITAT BUFFER ZONE (NHBZ)
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
( IN FEET )
0
1 INCH = 20 FEET
20 20 40 60
NORTH
MAT
C
H
L
I
N
E
-
S
E
E
S
H
E
E
T
G9
G9
G8
4
RELOCATE ADA RAMPS
TO MATCH TRAIL PATH
RECORD DRAWING
B
FG=70.25
TF=70.92
LOT 14
B
FG=70.25
TF=70.92
LOT 13
B
FG=69.59
TF=70.26
LOT 12 B
FG=69.59
TF=70.26
LOT 11
B
FG=68.99
TF=69.66
LOT 10 B
FG=68.99
TF=69.66
LOT 9 B
FG=68.54
TF=69.21
LOT 8 B
FG=68.54
TF=69.21
LOT 7
B
FG=68.12
TF=68.79
LOT 6 B
FG=68.12
TF=68.79
LOT 5
B
FG=67.79
TF=68.46
LOT 4 B
FG=67.79
TF=68.46
LOT 3
B
FG=67.14
TF=67.81
LOT 2
B
FG=67.14
TF=67.81
LOT 1
B
FG=67.67
TF=68.34
LOT 14
B
FG=67.67
TF=68.34
LOT 13
B
FG=68.68
TF=69.35
LOT 12
B
FG=68.68
TF=69.35
LOT 11
B
FG=69.09
TF=69.76
LOT 10
B
FG=69.09
TF=69.76
LOT 9
B
FG=69.58
TF=70.25
LOT 8
B
FG=69.58
TF=70.25
LOT 7
B
FG=70.10
TF=70.77
LOT 6
B
FG=70.10
TF=70.77
LOT 5
B
FG=70.63
TF=71.30
LOT 4
B
FG=70.63
TF=71.30
LOT 3
B
FG=71.27
TF=71.94
LOT 2B
FG=71.27
TF=71.94
LOT 1
15' UTI
L
I
T
Y
E
A
S
E
M
E
N
T
15' UTI
L
I
T
Y
E
A
S
E
M
E
N
T
24
'
F
L
-
F
L
9' UTILITY
E
A
S
E
M
E
N
T
4.5' SIDEW
A
L
K
9' UTI
L
I
T
Y
E
A
S
E
M
E
N
T
4.5' S
I
D
E
W
A
L
K
KNOBBY P
I
N
E
D
R
FA
L
L
E
N
B
R
A
N
C
H
D
R
ALLEY
FLOA
T
I
N
G
L
E
A
F
D
R
OUTFALL
DRIVE-OVER
CURB
TRACT C
D,U&PAE
TRACT A
D,U&PAE
TRACT B
D,U,A&EAE
BLOCK 3
BLOCK 2
67.1
7
66.6
1
66.4
3
64.8
2
63.8
2
65.3
5
65.7
1
66.0
0
66.3
2
66.6
9
68.0
8
66.9
6
67.5
6
67.8
8
68.0
6
68.4
9
67.7
2
66.9
9
67.1
8
67.4
3
68.2
8
68.5
0
68.3
2
68.9
8
67.7
2
67.9
5
68.15
69.5
0
68.9
3
68.6
1
69.30
69.6
7
69.7
9
70.0
3
68.33
68.4
9
68.78
68.5
6
68.19
67.96
68.8
9
68.0
3
67.8
9
67.5
5
67.8
0
67.62
67.2
4
67.4
2
68.3
9
67.1
5
67.46
67.2
6
66.8
8
66.7
2
67.9
4
66.3
1
66.4
7
67.5
2
66.8
3
67.0
5
66.5
2
66.3
6
66.6
1
66.3
8
67.1
9
66.2
7
66.1
1
65.7
6
65.4
1
65.5
7
66.5
4
66.1
1
65.7
8
65.4
4
65.1
1
65.9
7
65.1
1
65.3
4
70.10
2' CURB CUT &
SIDEWALK CHASE
N:101605.37
E:203682.80
4' SIDEWALK
(TYP.)
71.1
9
71.1
9
70.4
0
70.4
0
70.0
0
70.0
0
69.3
9
69.4
0
69.0
0
69.0
0
68.4
0
68.4
0
67.1
7
67.4
1
70.14
70.14
REMOVE SIDEWALK CHASE
REMOVE SIDEWALK CHASE
67.4
8
67
.
4
8
68
.
3
8
69
.
0
4
69
.
5
4
70
.
0
6
70.37
71
.
2
7
71
.
2
7
70
.
3
7
70
.
0
6
69
.
5
4
69
.
0
4
68
.
3
8
67
.
1
4
67
.
1
4
67
.
1
4
67
.
1
4
67
.
7
9
67
.
7
9
67
.
7
9
67
.
7
9
68
.
1
2
68
.
1
2
68
.
1
2
68
.
5
4
INFLOW
DRIVE-OVER
CURB
68
.
5
4
68
.
5
4
68
.
5
4
68
.
9
9
68
.
9
9
68
.
9
9
68
.
9
9
69
.
5
9
69
.
5
9
69.5969
.
5
9
70
.
2
5
70
.
2
5
G9
DE
T
A
I
L
E
D
G
R
A
D
I
N
G
P
L
A
N
19
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
h
e
r
n
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
11/05/21
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
LEGEND:
ST
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS,
UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION.
3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE
FINISHED GRADE ELEVATIONS UNLESS OTHERWISE NOTED.
4.THE TOP OF FOUNDATION ELEVATIONS SHOWN ARE THE MINIMUM ELEVATIONS
REQUIRED FOR PROTECTION FROM THE 100-YEAR STORM.
5.CROSSPANS ALONG PUBLIC STREETS AT THE INTERSECTION OF PRIVATE DRIVES
SHALL HAVE CONCRETE EXTENDED TO THE RIGHT-OF-WAY LINE.
6.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM; NAVD 88
(UNADJUSTED). SEE COVER SHEET FOR BENCHMARK REFERENCES.
7.CONSTRUCTION ON DITCH LATERAL WILL BE LIMITED FROM OCTOBER 1 TO MAY 1
WHEN NOT IN USE.
8.NO CUTTING OF EARTHWORK WITHIN 5 FEET OF DITCH LATERAL BANK EXCEPT AT
THE LOCATIONS OF THE 2 STREET CROSSINGS AND 2 WEIRS.
9.NO DISTURBANCE OF VEGETATED ROOT SYSTEM WITHIN 5 FEET OF TOP OF BANK
ALONG DITCH LATERAL.
10.STEPS ARE NOT SHOWN ON THE SIDEWALK CONNECTIONS TO THE FRONT PORCH
OF TOWNHOME BUILDINGS. STEPS SHALL BE DESIGNED PER AS-BUILT CONDITIONS
AND BUILDING CODE.
11.A DETAILED GRADING PLOT PLAN IS REQUIRED FOR ALL TYPE-A LOTS AT TIME OF
BUILDING PERMIT.
12.REFER TO SHEET CS2 FOR ADDITIONAL NOTES REGARDING THE WILLIAMSON DITCH
LATERAL.
13.SEE RENNAT SUBDIVISION PLAT (RECORDED CONCURRENTLY WITH HANSEN FARM)
FOR EASEMENT AND PUBLIC ROW RIGHTS RELATED TO OFFSITE IMPROVEMENTS.
36.25
(36.25)
2.0%
NOTES:
PROPOSED SLOPES
EXISTING SPOT ELEVATION
PROPOSED SPOT ELEVATION
PROPOSED EASEMENT
EXISTING RIGHT OF WAY
PROPOSED LOT LINE
PROPERTY BOUNDARY
PROPOSED CURB AND GUTTER
PROPOSED SWALE
EXISTING CONTOUR
PROPOSED CONTOUR
PROPOSED STORM INLET
PROPOSED STORM SEWER
EXISTING STORM SEWER
LODLIMITS OF DEVELOPMENT
PROPOSED RIGHT OF WAY
NATURAL HABITAT BUFFER ZONE (NHBZ)
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
( IN FEET )
0
1 INCH = 20 FEET
20 20 40 60
NORTH
MA
T
C
H
L
I
N
E
-
S
E
E
S
H
E
E
T
G8
G9
G8
4
RECORD DRAWING
T
S
T
S
T
S
T
S
E
E
E
E
E
E
E
E E E E E E E E E
16" W16" W16" W16" W16" W16" W16" W16" W16" W16" W16" W16" W16" W16" W16" W16" W16" W16" W16" W
CTV CTV CTV CTV CTV CTV CTV CTV CTV CTV CTV CTV CTV CTV CTV CTV
CTV CTV CTV CTV CTV CTV CTV CTV CTV
ST
VA
U
L
T
F.O
.T
VA
U
L
T
F.O
.
VA
U
L
T
F.O
.
GA
S
F.
O
.
M
8"
W
STMH A1
STA 12+31.43
N: 100348.00
E: 205168.00
STMH A3-3
STA 20+72.78
N: 101188.99
E: 205179.78
STMH A2
STA 16+26.96
N: 100743.53
E: 205167.90
EX STMH A
STA 10+00.00
N: 100349.12
E: 205399.43
STMH A3-2
STA 18+27.32
N: 100943.54
E: 205179.85
STMH A3-1
STA 17+26.18
N: 100842.58
E: 205173.82
OUTLET STRUCTURE A3-4
STA 21+78.24
N: 101286.91
E: 205140.59
23
1
.
4
3
L
F
2
4
"
R
C
P
@
0
.
2
0
%
395.53 LF 24" RCP @ 0.20%
99.22 LF 24" RCP @ 0.20%
101.14 LF 24" RCP @ 0.20%
245.46 LF 24" RCP @ 0.20%
105.46 LF 24" RCP @ 0.20%
TRACT K
D&UE
TRACT L
D&UE
ZE
P
H
Y
R
R
O
A
D
TIMBERLINE RD
TW
I
S
T
E
D
R
O
O
T
D
R
59.4'
-EOA
107.5'
ROW
6' SIDEWALK
9'
U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
6' SIDEWALK
4.
5
'
S
I
D
E
W
A
L
K
15' UTILITY & PUBLIC
ACCESS TRAIL EASEMENT
4940
4945
4950
4955
4960
4965
4970
4975
4940
4945
4950
4955
4960
4965
4970
4975
9+5010+0011+0012+0013+0014+0015+0016+0017+0018+0019+0020+0021+0022+00
EX
S
T
M
H
A
ST
A
1
0
+
0
0
.
0
0
RI
M
4
9
5
9
.
1
±
IN
V
.
I
N
4
9
5
0
.
5
8
(
W
)
IN
V
.
O
U
T
4
9
5
0
.
4
5
(
E
)
231.43 LF 24" RCP @ 0.20%
ST
M
H
A
1
ST
A
1
2
+
3
1
.
4
3
RI
M
4
9
6
1
.
6
±
IN
V
.
I
N
4
9
5
1
.
0
4
(
N
)
IN
V
.
I
N
4
9
5
3
.
0
3
(
S
)
IN
V
.
O
U
T
4
9
5
1
.
0
4
(
E
)
395.53 LF 24" RCP @ 0.20%
99.22 LF 24" RCP @ 0.20%
ST
M
H
A
2
ST
A
1
6
+
2
6
.
9
6
RI
M
4
9
5
9
.
9
±
IN
V
.
I
N
4
9
5
1
.
8
3
(
N
)
IN
V
.
O
U
T
4
9
5
1
.
8
3
(
S
)
101.14 LF 24" RCP @ 0.20%
ST
M
H
A
3
-
1
ST
A
1
7
+
2
6
.
1
8
RI
M
4
9
5
7
.
5
±
IN
V
.
I
N
4
9
5
2
.
0
3
(
N
)
IN
V
.
I
N
4
9
5
2
.
9
2
(
W
)
IN
V
.
O
U
T
4
9
5
2
.
0
3
(
S
)
245.46 LF 24" RCP @ 0.20%
ST
M
H
A
3
-
2
ST
A
1
8
+
2
7
.
3
2
RI
M
4
9
5
8
.
2
±
IN
V
.
I
N
4
9
5
2
.
2
3
(
N
)
IN
V
.
O
U
T
4
9
5
2
.
2
3
(
S
)
105.46 LF 24" RCP @ 0.20%
ST
M
H
A
3
-
3
ST
A
2
0
+
7
2
.
7
8
RI
M
4
9
6
1
.
0
±
IN
V
.
I
N
4
9
5
2
.
7
3
(
N
)
IN
V
.
O
U
T
4
9
5
2
.
7
3
(
S
)
OU
T
L
E
T
S
T
R
U
C
T
U
R
E
A
3
-
4
ST
A
2
1
+
7
8
.
2
4
RI
M
4
9
5
5
.
7
±
IN
V
.
O
U
T
4
9
5
2
.
9
4
(
S
)
8" WATER
STA.=12+50.41
TOP=4956.4418" RCP STORM
STA.=16+80.99
INV.=4955.51
8" WATER LOWERING
SEE DETAIL 207 SHEET D2
STA.=21+14.25
TOP=4951.06
PROPOSED
GROUND
EXISTING
GROUND
18" MIN.
100-YR HGL
16" WATER
STA.=11+59.70
TOP=4957.75
PRIVATE PUBLIC
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
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e
r
n
e
n
g
i
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e
e
r
i
n
g
.
c
o
m
06/25/21
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
ST1
PL
A
N
&
P
R
O
F
I
L
E
ST
O
R
M
D
R
A
I
N
L
I
N
E
A
28
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
NORTH
STORM DRAIN LINE A
( IN FEET )
0
1 INCH = 50 FEET
50 50 100 150
ST1
PROFILE SCALE:
EXISTING WATER MAIN
PROPOSED WATER MAIN
PROPOSED STORMLINE
LEGEND:
NOTES:
W
G
T
E
EXISTING STORM SEWER ST
PROPOSED ELECTRIC
EXISTING TELEPHONE
EXISTING GAS
PROPOSED UNDERDRAIN
EXISTING SANITARY SEWER SS
PROPOSED CURB & GUTTER
PROPOSED SANITARY SEWER
PROPOSED FIRE HYDRANT
PROPOSED LOTLINE
RIGHT OF WAY
PROPERTY BOUNDARY
SPROPOSED SEWER SERVICE
WPROPOSED RESIDENTIAL WATER SERVICE
PROPOSED SUBDRAIN
UD
SD
EXISTING FIRE HYDRANT
PROPOSED STORMLINE
LIMITS OF DEVELOPMENT LOD
EASEMENT LINE
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.MAINTAIN 10' HORIZONTAL AND 18" VERTICAL MINIMUM SEPARATION BETWEEN ALL
STORM DRAINS, SANITARY SEWER MAINS, WATER MAINS, AND SERVICES.
3.PIPE LENGTHS ARE CALCULATED FROM THE CENTER OF MANHOLES AND INLET BOX
STRUCTURES. SPECIFIED LENGTH OF PIPE INCLUDES THE LAYING LENGTH OF
FLARED END SECTIONS.
4.WATER SERVICE MUST HAVE MINIMUM OF 4.5' COVER AND MINIMUM OF 18" VERTICAL
CLEARANCE FROM STORM SEWER. ANY STORM SEWER SHALLOWER THAN 5.0' WILL
REQUIRE THE WATER SERVICE TO BE INSTALLED UNDER THE PROPOSED STORM
SEWER.
5.STORM DRAIN PIPE JOINTS SHALL NOT BE LOCATED OVER UTILITY CROSSINGS.
6.PRIVATE STORM SEWER MATERIAL MAY BE RCP, PVC OR HDPE. ALL RCP SHALL BE
CLASS III OR GREATER. PIPE MATERIAL, BEDDING, AND INSTALLATION WITHIN PUBLIC
RIGHTS-OF-WAY SHALL BE GOVERNED BY THE CITY OF FORT COLLINS. HDPE MUST BE
SMOOTH WALLED INTERIOR. HDPE FITTINGS MAY BE USED FOR PVC INSTALLATIONS.
ALL JOINTS SHALL BE 'WATERTIGHT' USING APPROPRIATE GASKETS OR JOINT WRAPS
(PER ASTM C443 FOR RCP AND PER ASTM F477 / D3212 FOR PLASTIC PIPE).
7.AREA DRAIN PIPE AND DRAIN BASIN CONNECTIONS TO RCP STORM SHALL USE
INSERTA TEE OR APPROVED EQUAL FOR CONNECTION.
WATER LOWERING SEE
DETAIL 207 SHEET D3
RECORD DRAWING
4945
4950
4955
4960
4965
4970
4975
4980
4945
4950
4955
4960
4965
4970
4975
4980
9+5010+0011+0011+50
ST
M
H
A
1
ST
A
1
0
+
0
0
.
0
0
RI
M
4
9
6
1
.
6
±
IN
V
.
I
N
4
9
5
1
.
0
4
(
N
)
IN
V
.
I
N
4
9
5
3
.
0
3
(
S
)
IN
V
.
O
U
T
4
9
5
1
.
0
4
(
E
)
59.24 LF 15" RCP @ 3.50%
OU
T
L
E
T
A
1
-
1
ST
A
1
0
+
5
9
.
2
4
RI
M
4
9
5
7
.
5
±
IN
V
.
O
U
T
4
9
5
5
.
1
0
(
N
)
PROPOSED
GROUND
EXISTING
GROUND
100-YR HGL
PRIVATE
E E
E
E
T S
T S
16" W
16" W
16" W
16" W
CTV
CTV
VAU
L
T
F.O
.TVAU
L
T
F.O
.
STMH A1
STA 10+00.00
N: 100348.00
E: 205168.00
OUTLET A1-1
STA 10+59.24
N: 100289.90
E: 205156.45
23
1
.
4
3
L
F
2
4
"
R
C
P
@
0
.
2
0
%
59.24 LF
15" RCP
@ 3.50%
ZE
P
H
Y
R
R
O
A
D
TIMBER
L
I
N
E
R
D
6' SIDEW
A
L
K
9'
U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
TRACT D
FUTURE DEVELOPMENT
TRACT M
D&UE
6'
S
I
D
E
W
A
L
K
9'
U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
6'
S
I
D
E
W
A
L
K
15
'
U
T
I
L
I
T
Y
EA
S
E
M
E
N
T
54'
-
76'
ROW
4945
4950
4955
4960
4965
4970
4975
4980
4945
4950
4955
4960
4965
4970
4975
4980
9+5010+0011+00
12.76 LF
18" RCP
@ 2.00%
ST
M
H
A
3
-
1
ST
A
1
0
+
0
0
.
0
0
RI
M
4
9
5
7
.
5
±
IN
V
.
I
N
4
9
5
2
.
0
3
(
N
)
IN
V
.
I
N
4
9
5
2
.
9
2
(
W
)
IN
V
.
O
U
T
4
9
5
2
.
0
3
(
S
)
OU
T
L
E
T
S
T
R
U
C
T
U
R
E
A
3
-
1
.
1
ST
A
1
0
+
1
2
.
7
6
RI
M
4
9
5
5
.
5
±
IN
V
.
O
U
T
4
9
5
3
.
1
8
(
E
)
PROPOSED
GROUND
EXISTING
GROUND
100-YR HGL
PRIVATE
E
E
E
16
"
W
16
"
W
16
"
W
16
"
W
CT
V
CT
V
CT
V
CT
V
CT
V
CT
V
CT
V
STMH A3-1
STA 10+00.00
N: 100842.58
E: 205173.82
OUTLET STRUCTURE A3-1.1
STA 10+12.76
N: 100843.34
E: 205161.08
12.76 LF
18" RCP
@ 2.00%
TRACT L
D&UE
TRACT D
FUTURE DEVELOPMENT
50
'
D
R
A
I
N
A
G
E
&
UT
I
L
I
T
Y
E
A
S
E
M
E
N
T
15' UTILITY &
PUBLIC ACCESS
EASEMENT (TYP.)
6'
S
I
D
E
W
A
L
K
2' CONCRETE
PAN
TI
M
B
E
R
L
I
N
E
R
D
XXXXXX
E E E E
CTV CTV CTV CTV
CTV CTV CTV CTV
TW
I
S
T
E
D
R
O
O
T
D
R
6' SIDEWALK
4.
5
'
S
I
D
E
W
A
L
K
TRACT K
D&UE
TRACT L
D&UE
INLET B3
STA 10+96.84
N: 101209.51
E: 205050.07
INLET B2
STA 10+60.87
N: 101245.48
E: 205050.07
STMH B1
STA 10+22.31
N: 101273.22
E: 205076.85
22.31 LF
24" RCP
@ 0.20%
38.56 LF
15" RCP
@ 0.50%
35.97 LF 15" RCP @ 0.50%
6' SIDEWALK
36'
-
59'
ROW
15
'
U
T
I
L
I
T
Y
&
PU
B
L
I
C
A
C
C
E
S
S
EA
S
E
M
E
N
T
(
T
Y
P
.
)
FES B
STA 10+00.00
N: 101288.99
E: 205092.63
4945
4950
4955
4960
4965
4970
4975
4980
4945
4950
4955
4960
4965
4970
4975
4980
9+50 10+00 11+00 11+50
35.97 LF
15" RCP
@ 0.50%
IN
L
E
T
B
3
ST
A
1
0
+
9
6
.
8
4
FL
.
E
L
4
9
5
9
.
8
±
IN
V
.
O
U
T
4
9
5
4
.
9
6
(
N
)
38.56 LF
15" RCP
@ 0.50%
IN
L
E
T
B
2
ST
A
1
0
+
6
0
.
8
7
FL
.
E
L
4
9
5
9
.
8
±
IN
V
.
I
N
4
9
5
4
.
7
8
(
S
)
IN
V
.
O
U
T
4
9
5
4
.
7
8
(
N
E
)
22.31 LF
24" RCP
@ 0.20%
ST
M
H
B
1
ST
A
1
0
+
2
2
.
3
1
RI
M
4
9
5
7
.
2
±
IN
V
.
I
N
4
9
5
4
.
5
9
(
S
W
)
IN
V
.
I
N
4
9
5
3
.
2
2
(
W
)
IN
V
.
O
U
T
4
9
5
3
.
2
2
(
N
E
)
PROPOSED
GROUND
EXISTING
GROUND
18" MIN.
100-YR HGL
PUBLIC
FE
S
B
ST
A
1
0
+
0
0
.
0
0
IN
V
.
4
9
5
3
.
1
8
(
S
W
)
BUR
L
Y
T
R
E
E
D
R
KNO
B
B
Y
P
I
N
E
D
R
9' U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
9' U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
9' U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
4.5
'
S
I
D
E
W
A
L
K
4.5
'
S
I
D
E
W
A
L
K
9' U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
INLET C1
STA 10+35.51
N: 100812.02
E: 204837.49
INLET C2
STA 10+71.49
N: 100812.00
E: 204801.51
FES C
STA 10+00.00
N: 100812.02
E: 204873.00
35.51 LF 30" RCP @ 0.50%
35.97 LF 18" RCP @ 0.50%
TRACT D
FUTURE DEVELOPMENT
TRACT B
FUTURE PUBLIC PARK
9' U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
4.5
'
S
I
D
E
W
A
L
K
4.5
'
S
I
D
E
W
A
L
K
9' U
T
I
L
I
T
Y
E
A
S
E
M
E
N
T
INLET C3
STA 11+50.67
N: 100732.83
E: 204801.50
79.17 LF 15" RCP @ 0.50%
4945
4950
4955
4960
4965
4970
4975
4980
4945
4950
4955
4960
4965
4970
4975
4980
9+5010+0011+0011+75
35.97 LF
18" RCP
@ 0.50%35.51 LF
30" RCP
@ 0.50%
FE
S
C
ST
A
1
0
+
0
0
.
0
0
IN
V
.
4
9
5
4
.
7
8
(
W
)
IN
L
E
T
C
2
ST
A
1
0
+
7
1
.
4
9
FL
.
E
L
4
9
5
9
.
7
±
IN
V
.
I
N
4
9
5
5
.
1
4
(
S
)
IN
V
.
O
U
T
4
9
5
5
.
1
4
(
E
)
IN
L
E
T
C
1
ST
A
1
0
+
3
5
.
5
1
FL
.
E
L
4
9
5
9
.
7
±
IN
V
.
I
N
4
9
5
4
.
9
6
(
W
)
IN
V
.
O
U
T
4
9
5
4
.
9
6
(
E
)
PROPOSED
GROUND
EXISTING
GROUND
8" WATER LOWERING
SEE DETAIL 207 SHEET D2
STA.=10+43.50
TOP=4953.30
IN
L
E
T
C
3
ST
A
1
1
+
5
0
.
6
7
FL
.
E
L
4
9
6
0
.
1
±
IN
V
.
O
U
T
4
9
5
5
.
5
4
(
N
)
79.17 LF
15" RCP
@ 0.50%
18" MIN.
8" WATER LOWERING
SEE DETAIL 207 SHEET D2
STA.=11+19.50
TOP=4953.70
18" MIN.
100-YR
HGL
PUBLIC
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
h
e
r
n
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
06/25/21
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
ST2
PL
A
N
&
P
R
O
F
I
L
E
ST
O
R
M
D
R
A
I
N
L
I
N
E
A
1
,
A
3
-
1
,
B
&
C
29
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
STORM DRAIN LINE A1
( IN FEET )
0
1 INCH = 50 FEET
50 50 100 150
PROFILE SCALE:
NORTH
STORM DRAIN LINE A3-1
PROFILE SCALE:
NORTH
STORM DRAIN LINE B
PROFILE SCALE:
NORTH
STORM DRAIN LINE C
PROFILE SCALE:
NORTH
EXISTING WATER MAIN
PROPOSED WATER MAIN
PROPOSED STORMLINE
LEGEND:
NOTES:
W
G
T
E
EXISTING STORM SEWER ST
PROPOSED ELECTRIC
EXISTING TELEPHONE
EXISTING GAS
PROPOSED UNDERDRAIN
EXISTING SANITARY SEWER SS
PROPOSED CURB & GUTTER
PROPOSED SANITARY SEWER
PROPOSED FIRE HYDRANT
PROPOSED LOTLINE
RIGHT OF WAY
PROPERTY BOUNDARY
SPROPOSED SEWER SERVICE
WPROPOSED RESIDENTIAL WATER SERVICE
PROPOSED SUBDRAIN
UD
SD
EXISTING FIRE HYDRANT
PROPOSED STORMLINE
LIMITS OF DEVELOPMENT LOD
EASEMENT LINE
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.MAINTAIN 10' HORIZONTAL AND 18" VERTICAL MINIMUM SEPARATION BETWEEN ALL
STORM DRAINS, SANITARY SEWER MAINS, WATER MAINS, AND SERVICES.
3.PIPE LENGTHS ARE CALCULATED FROM THE CENTER OF MANHOLES AND INLET BOX
STRUCTURES. SPECIFIED LENGTH OF PIPE INCLUDES THE LAYING LENGTH OF
FLARED END SECTIONS.
4.WATER SERVICE MUST HAVE MINIMUM OF 4.5' COVER AND MINIMUM OF 18" VERTICAL
CLEARANCE FROM STORM SEWER. ANY STORM SEWER SHALLOWER THAN 5.0' WILL
REQUIRE THE WATER SERVICE TO BE INSTALLED UNDER THE PROPOSED STORM
SEWER.
5.STORM DRAIN PIPE JOINTS SHALL NOT BE LOCATED OVER UTILITY CROSSINGS.
6.PRIVATE STORM SEWER MATERIAL MAY BE RCP, PVC OR HDPE. ALL RCP SHALL BE
CLASS III OR GREATER. PIPE MATERIAL, BEDDING, AND INSTALLATION WITHIN PUBLIC
RIGHTS-OF-WAY SHALL BE GOVERNED BY THE CITY OF FORT COLLINS. HDPE MUST BE
SMOOTH WALLED INTERIOR. HDPE FITTINGS MAY BE USED FOR PVC INSTALLATIONS.
ALL JOINTS SHALL BE 'WATERTIGHT' USING APPROPRIATE GASKETS OR JOINT WRAPS
(PER ASTM C443 FOR RCP AND PER ASTM F477 / D3212 FOR PLASTIC PIPE).
7.AREA DRAIN PIPE AND DRAIN BASIN CONNECTIONS TO RCP STORM SHALL USE
INSERTA TEE OR APPROVED EQUAL FOR CONNECTION.
B
C
A3-1
A1
WATERLINE
LOWERING SEE
DETAIL 207 SHEET D2
WATERLINE
LOWERING SEE
DETAIL 207 SHEET D2
1
1
RECORD DRAWING
4945
4950
4955
4960
4965
4970
4975
4980
4945
4950
4955
4960
4965
4970
4975
4980
9+5010+0011+0012+0013+0014+0015+0016+0017+0018+00
ST
M
H
B
1
ST
A
1
0
+
0
0
.
0
0
RI
M
4
9
5
7
.
2
±
IN
V
.
I
N
4
9
5
4
.
5
9
(
S
W
)
IN
V
.
I
N
4
9
5
3
.
2
2
(
W
)
IN
V
.
O
U
T
4
9
5
3
.
2
2
(
N
E
)
240.58 LF 24" RCP @ 0.20%
36.00 LF
24" RCP
@ 0.20%
IN
L
E
T
B
1
-
2
ST
A
1
2
+
7
6
.
5
8
FL
.
E
L
4
9
5
9
.
6
±
IN
V
.
I
N
4
9
5
3
.
7
8
(
W
)
IN
V
.
O
U
T
4
9
5
3
.
7
8
(
E
)
IN
L
E
T
B
1
-
1
ST
A
1
2
+
4
0
.
5
8
FL
.
E
L
4
9
5
9
.
6
±
IN
V
.
I
N
4
9
5
3
.
7
1
(
W
)
IN
V
.
O
U
T
4
9
5
3
.
7
1
(
E
)
396.01 LF 18" RCP @ 0.20%
21.75 LF
18" RCP
@ 0.20%
ST
M
H
B
1
-
3
ST
A
1
6
+
7
2
.
5
9
RI
M
4
9
5
9
.
6
±
IN
V
.
I
N
4
9
5
4
.
5
7
(
N
)
IN
V
.
O
U
T
4
9
5
4
.
5
7
(
E
)
OU
T
L
E
T
S
T
R
U
C
T
U
R
E
B
1
-
4
ST
A
1
6
+
9
4
.
3
4
RI
M
4
9
5
6
.
8
±
IN
V
.
O
U
T
4
9
5
4
.
6
1
(
S
)
PROPOSED
GROUND
EXISTING
GROUND
8" WATER LOWERING
SEE DETAIL 207 SHEET D2
STA.=12+46.42
TOP=4951.97
18" MIN.
100-YR HGL
PRIVATE PUBLIC PRIVATE
W
S
W
W
W
S
INLET B1-1
STA 12+40.58
N: 101297.45
E: 204837.50
INLET B1-2
STA 12+76.58
N: 101297.45
E: 204801.50STMH B1-3
STA 16+72.59
N: 101297.72
E: 204405.49
STMH B1
STA 10+00.00
N: 101273.22
E: 205076.85
OUTLET STRUCTURE B1-4
STA 16+94.34
N: 101319.46
E: 204405.25
240.58 LF 24" RCP
@
0
.
2
0
%
36.00 LF 24" RCP @ 0.20%
396.01 LF 18" RCP @ 0.20%
21.75 LF 18" RCP @ 0.20%
BU
R
L
Y
T
R
E
E
D
R
TWISTED ROOT DR
4.5' SIDEWALK
LOT 43
LOT 42
LOT 55BLOCK 3
BLOCK 2
TRACT E
FUTURE DEVELOPMENT
TRACT L
D&UETRACT D
FUTURE DEVELOPMENT
TRACT K
D&UE
TRACT F
DRAINAGE, UTILITY &
PEDESTRIAN ACCESS
EASEMENT
WATER LOWERING
SEE DETAIL 207 SHEET D2
EXISTING WATER MAIN
PROPOSED WATER MAIN
PROPOSED STORMLINE
LEGEND:
NOTES:
W
G
T
E
EXISTING STORM SEWER ST
PROPOSED ELECTRIC
EXISTING TELEPHONE
EXISTING GAS
PROPOSED UNDERDRAIN
EXISTING SANITARY SEWER SS
PROPOSED CURB & GUTTER
PROPOSED SANITARY SEWER
PROPOSED FIRE HYDRANT
PROPOSED LOTLINE
RIGHT OF WAY
PROPERTY BOUNDARY
SPROPOSED SEWER SERVICE
WPROPOSED RESIDENTIAL WATER SERVICE
PROPOSED SUBDRAIN
UD
SD
EXISTING FIRE HYDRANT
PROPOSED STORMLINE
LIMITS OF DEVELOPMENT LOD
EASEMENT LINE
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.MAINTAIN 10' HORIZONTAL AND 18" VERTICAL MINIMUM SEPARATION BETWEEN ALL
STORM DRAINS, SANITARY SEWER MAINS, WATER MAINS, AND SERVICES.
3.PIPE LENGTHS ARE CALCULATED FROM THE CENTER OF MANHOLES AND INLET BOX
STRUCTURES. SPECIFIED LENGTH OF PIPE INCLUDES THE LAYING LENGTH OF
FLARED END SECTIONS.
4.WATER SERVICE MUST HAVE MINIMUM OF 4.5' COVER AND MINIMUM OF 18" VERTICAL
CLEARANCE FROM STORM SEWER. ANY STORM SEWER SHALLOWER THAN 5.0' WILL
REQUIRE THE WATER SERVICE TO BE INSTALLED UNDER THE PROPOSED STORM
SEWER.
5.STORM DRAIN PIPE JOINTS SHALL NOT BE LOCATED OVER UTILITY CROSSINGS.
6.PRIVATE STORM SEWER MATERIAL MAY BE RCP, PVC OR HDPE. ALL RCP SHALL BE
CLASS III OR GREATER. PIPE MATERIAL, BEDDING, AND INSTALLATION WITHIN PUBLIC
RIGHTS-OF-WAY SHALL BE GOVERNED BY THE CITY OF FORT COLLINS. HDPE MUST BE
SMOOTH WALLED INTERIOR. HDPE FITTINGS MAY BE USED FOR PVC INSTALLATIONS.
ALL JOINTS SHALL BE 'WATERTIGHT' USING APPROPRIATE GASKETS OR JOINT WRAPS
(PER ASTM C443 FOR RCP AND PER ASTM F477 / D3212 FOR PLASTIC PIPE).
7.AREA DRAIN PIPE AND DRAIN BASIN CONNECTIONS TO RCP STORM SHALL USE
INSERTA TEE OR APPROVED EQUAL FOR CONNECTION.
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
h
e
r
n
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
06/25/21
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
ST3
PL
A
N
&
P
R
O
F
I
L
E
ST
O
R
M
D
R
A
I
N
L
I
N
E
B
1
30
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
NORTH
STORM DRAIN LINE B1
( IN FEET )
0
1 INCH = 50 FEET
50 50 100 150
ST3
PROFILE SCALE:
1
1
STORM DRAIN LINE B RELOCATED WEST ON
TWISTED ROOT DR CENTERLINE FOR
CITY CAPITAL PROJECT, STORM DRAIN LINE
B1 CONNECTION ADJUSTED
RECORD DRAWING
E
E
E
E
16"
W
16"
W
16"
W
16"
W
16"
W
16"
W
CTV
CTV
CTV
CTV
CTV
CTV
CTV
CTV
CTV
CTV
STMH D1
STA 10+43.48
N: 100798.06
E: 205161.14
INLET D2
STA 10+79.49
N: 100795.91
E: 205197.09
FES D
STA 10+00.00
N: 100841.09
E: 205154.97
43.48 LF 18" RCP @ 4.46%
36.01 LF 18" RCP @ 1.00%
4945
4950
4955
4960
4965
4970
4975
4980
4945
4950
4955
4960
4965
4970
4975
4980
9+50 10+00 11+00 11+50
36.01 LF
18" RCP
@ 1.00%
IN
L
E
T
D
2
ST
A
1
0
+
7
9
.
4
9
FL
.
E
L
4
9
5
8
.
8
±
IN
V
.
O
U
T
4
9
5
5
.
7
7
(
W
)
ST
M
H
D
1
ST
A
1
0
+
4
3
.
4
8
RI
M
4
9
5
9
.
8
±
IN
V
.
I
N
4
9
5
5
.
4
1
(
E
)
IN
V
.
O
U
T
4
9
5
5
.
4
1
(
N
)
43.48 LF
18" RCP
@ 4.46%
FE
S
D
ST
A
1
0
+
0
0
.
0
0
IN
V
.
4
9
5
3
.
4
7
(
S
)
EXISTING
GROUND
PROPOSED
GROUND
24" RCP STORM
STA.=10+53.48
INV.=4951.94
100-YR HGL
PUBLIC
E
16" W16" W16" W16" W16" W16" W16" W
CTV CTV CTV CTV
GG
VA
U
L
T
F.O
.T
EL
E
C
EL
E
C
VA
U
L
T
F.O
.
X
X
T
S
T
S
E
E
E E
INLET E2
STA 10+94.99
N: 100382.49
E: 205117.87
INLET E1
STA 10+41.01
N: 100328.52
E: 205118.13
FES E
STA 10+00.00
N: 100287.51
E: 205118.33
41.01 LF 18" RCP @ 0.50%
53.97 LF 18" RCP @ 0.50%
WATER LOWERING
SEE DETAIL 207
SHEET D2
4945
4950
4955
4960
4965
4970
4975
4980
4945
4950
4955
4960
4965
4970
4975
4980
9+5010+0011+0011+50
EXISTING
GROUND
PROPOSED
GROUND
IN
L
E
T
E
2
ST
A
1
0
+
9
4
.
9
9
FL
.
E
L
4
9
6
0
.
7
±
IN
V
.
O
U
T
4
9
5
6
.
1
5
(
S
)
53.97 LF
18" RCP
@ 0.50%
IN
L
E
T
E
1
ST
A
1
0
+
4
1
.
0
1
FL
.
E
L
4
9
6
0
.
7
±
IN
V
.
I
N
4
9
5
5
.
8
8
(
N
)
IN
V
.
O
U
T
4
9
5
5
.
8
8
(
S
)
41.01 LF
18" RCP
@ 0.50%
FE
S
E
ST
A
1
0
+
0
0
.
0
0
IN
V
.
4
9
5
5
.
6
7
(
N
)
18" MIN.
100-YR HGL
PUBLIC
EXISTING WATER MAIN
PROPOSED WATER MAIN
PROPOSED STORMLINE
LEGEND:
NOTES:
W
G
T
E
EXISTING STORM SEWER ST
PROPOSED ELECTRIC
EXISTING TELEPHONE
EXISTING GAS
PROPOSED UNDERDRAIN
EXISTING SANITARY SEWER SS
PROPOSED CURB & GUTTER
PROPOSED SANITARY SEWER
PROPOSED FIRE HYDRANT
PROPOSED LOTLINE
RIGHT OF WAY
PROPERTY BOUNDARY
SPROPOSED SEWER SERVICE
WPROPOSED RESIDENTIAL WATER SERVICE
PROPOSED SUBDRAIN
UD
SD
EXISTING FIRE HYDRANT
PROPOSED STORMLINE
LIMITS OF DEVELOPMENT LOD
EASEMENT LINE
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.MAINTAIN 10' HORIZONTAL AND 18" VERTICAL MINIMUM SEPARATION BETWEEN ALL
STORM DRAINS, SANITARY SEWER MAINS, WATER MAINS, AND SERVICES.
3.PIPE LENGTHS ARE CALCULATED FROM THE CENTER OF MANHOLES AND INLET BOX
STRUCTURES. SPECIFIED LENGTH OF PIPE INCLUDES THE LAYING LENGTH OF
FLARED END SECTIONS.
4.WATER SERVICE MUST HAVE MINIMUM OF 4.5' COVER AND MINIMUM OF 18" VERTICAL
CLEARANCE FROM STORM SEWER. ANY STORM SEWER SHALLOWER THAN 5.0' WILL
REQUIRE THE WATER SERVICE TO BE INSTALLED UNDER THE PROPOSED STORM
SEWER.
5.STORM DRAIN PIPE JOINTS SHALL NOT BE LOCATED OVER UTILITY CROSSINGS.
6.PRIVATE STORM SEWER MATERIAL MAY BE RCP, PVC OR HDPE. ALL RCP SHALL BE
CLASS III OR GREATER. PIPE MATERIAL, BEDDING, AND INSTALLATION WITHIN PUBLIC
RIGHTS-OF-WAY SHALL BE GOVERNED BY THE CITY OF FORT COLLINS. HDPE MUST BE
SMOOTH WALLED INTERIOR. HDPE FITTINGS MAY BE USED FOR PVC INSTALLATIONS.
ALL JOINTS SHALL BE 'WATERTIGHT' USING APPROPRIATE GASKETS OR JOINT WRAPS
(PER ASTM C443 FOR RCP AND PER ASTM F477 / D3212 FOR PLASTIC PIPE).
7.AREA DRAIN PIPE AND DRAIN BASIN CONNECTIONS TO RCP STORM SHALL USE
INSERTA TEE OR APPROVED EQUAL FOR CONNECTION.
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
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r
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i
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.
c
o
m
06/25/21
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
ST4
PL
A
N
&
P
R
O
F
I
L
E
ST
O
R
M
D
R
A
I
N
L
I
N
E
S
D
&
E
31
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
NORTH
STORM DRAIN LINE D
( IN FEET )
0
1 INCH = 50 FEET
50 50 100 150
LEFT
PROFILE SCALE:PROFILE SCALE:
STORM DRAIN LINE E
NORTH
RIGHT
MANHOLE, PIPE, AND INLET
TO BE COMPLETED BY CITY
CAPITAL PROJECT, STUB-OUT
LINE BEFORE MANHOLE
1
1
RECORD DRAWING
S
S
S
S
W
W
W
W
W
W
S
S
S
S
W
W
W
W
FES F1
STA 10+40.00
N: 101232.75
E: 204095.61
FES F
STA 10+00.00
N: 101262.10
E: 204122.79
40.00 LF (2) 18" RCPs @ 0.50%
S
S
S
W
W
W
UD
UD
UD
UD
UD
INLET G1
STA 10+31.96
N: 101556.63
E: 203933.81
FES G
STA 10+00.00
N: 101530.30
E: 203951.93
31.96 LF 24" RCP @ 0.50%
CAP G2A
INV. OUT=4957.57 (SW)
FG=4959.50
CAP G3A
INV. OUT=4957.68 (SW)
FG=4959.50
CLEANOUT G2
INV. IN=4957.40 (NW)
INV. IN=4957.40 (NE)
INV. IN=4957.40 (SW)
INV. OUT=4957.40 (SE)
FG=4959.50
CAP G2B
INV. OUT=4957.45 (NE)
FG=4959.50
CAP G3B
INV. OUT=4957.57 (NE)
FG=4959.50
CLEANOUT G3
INV. IN=4957.48 (NE)
INV. IN=4957.48 (SW)
INV. OUT=4957.48 (SE)
FG=4959.50
102.19 LF
4" PERF PVC
@ 0.20%
85.77 LF 4" PERF PVC @ 0.20%
40.00 LF 4" PERF PVC @ 0.20%
24.46 LF 4" PERF PVC @ 0.20%
26.80 LF 4" PERF PVC @ 0.20%
43.23 LF
4" PERF PVC
@ 0.20%
W
S
S
W
W
W
S
S
UD
UD
UD
UD
INLET H1
STA 10+42.45
N: 101438.86
E: 204441.55
FES H
STA 10+00.00
N: 101400.76
E: 204422.82
42.45 LF 24" RCP @ 0.50%
46.96 LF 4" PERF PVC @ 0.20%
46.96 LF 4" PERF PVC @ 0.20%
62.61 LF
4" PERF PVC
@ 0.20%
62.61 LF
4" PERF PVC
@ 0.20%
35.00 LF 4" PERF PVC @ 0.20%
25.04 LF 4" PERF PVC @ 0.20%
CAP H3B
INV. OUT=4956.60 (SE)
FG=4958.60
CAP H3A
INV. OUT=4956.60 (NW)
FG=4958.60
CLEANOUT H2
INV. IN=4956.40 (NE)
INV. IN=4956.40 (NW)
INV. IN=4956.40 (SE)
INV. OUT=4956.40 (SW)
FG=4958.60
CLEANOUT H3
INV. IN=4956.47 (NW)
INV. IN=4956.47 (SE)
INV. OUT=4956.47 (SW)
FG=4958.60
CAP H2B
INV. OUT=4956.49 (SE)
FG=4958.60
CAP H2A
INV. OUT=4956.49 (NW)
FG=4958.60
4945
4950
4955
4960
4965
4970
4975
4980
4945
4950
4955
4960
4965
4970
4975
4980
9+0010+0011+0011+50
FE
S
F
ST
A
1
0
+
0
0
.
0
0
RI
M
4
9
5
9
.
7
±
IN
V
.
I
N
4
9
5
7
.
9
5
(
S
W
)
40.00 LF (2) 18" RCPs @ 0.50%
FE
S
F
1
ST
A
1
0
+
4
0
.
0
0
RI
M
4
9
5
9
.
9
±
IN
V
.
O
U
T
4
9
5
8
.
1
5
(
N
E
)
PROPOSED
GROUND
EXISTING
GROUND
PRIVATE
10-YR HGL
4945
4950
4955
4960
4965
4970
4975
4980
4945
4950
4955
4960
4965
4970
4975
4980
9+0010+0011+0011+50
IN
L
E
T
G
1
ST
A
1
0
+
3
1
.
9
6
RI
M
4
9
6
0
.
5
±
IN
V
.
I
N
4
9
5
7
.
3
5
(
N
W
)
IN
V
.
O
U
T
4
9
5
7
.
3
5
(
S
E
)
FE
S
G
ST
A
1
0
+
0
0
.
0
0
RI
M
4
9
5
9
.
4
±
IN
V
.
I
N
4
9
5
7
.
1
9
(
N
W
)
31.96 LF
24" RCP
@ 0.50%
PROPOSED
GROUND
EXISTING
GROUND
10-YR HGL
PRIVATE
4945
4950
4955
4960
4965
4970
4975
4980
4945
4950
4955
4960
4965
4970
4975
4980
9+0010+0011+0011+50
IN
L
E
T
H
1
ST
A
1
0
+
4
2
.
4
5
RI
M
4
9
5
9
.
6
±
IN
V
.
I
N
4
9
5
6
.
3
5
(
N
E
)
IN
V
.
O
U
T
4
9
5
6
.
1
1
(
S
W
)
42.45 LF 24" RCP @ 0.50%
FE
S
H
ST
A
1
0
+
0
0
.
0
0
RI
M
4
9
5
8
.
3
±
IN
V
.
I
N
4
9
5
5
.
9
0
(
N
E
)
PROPOSED
GROUND
EXISTING
GROUND
10-YR HGL
PRIVATE
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
h
e
r
n
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
06/25/21
KEYMAP
B MB M
VAULTELEC
TI
M
B
E
R
L
I
N
E
R
D
ZEPHYR RD
ST5
PL
A
N
&
P
R
O
F
I
L
E
ST
O
R
M
L
I
N
E
S
F
,
G
,
&
H
32
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R
( IN FEET )
0
1 INCH = 50 FEET
50 50 100 150
STORM LINE F STORM LINE G
EXISTING WATER MAIN
PROPOSED WATER MAIN
PROPOSED STORMLINE
LEGEND:
NOTES:
W
G
T
E
EXISTING STORM SEWER ST
PROPOSED ELECTRIC
EXISTING TELEPHONE
EXISTING GAS
PROPOSED UNDERDRAIN
EXISTING SANITARY SEWER SS
PROPOSED CURB & GUTTER
PROPOSED SANITARY SEWER
PROPOSED FIRE HYDRANT
PROPOSED LOTLINE
RIGHT OF WAY
PROPERTY BOUNDARY
SPROPOSED SEWER SERVICE
WPROPOSED RESIDENTIAL WATER SERVICE
PROPOSED SUBDRAIN
UD
SD
EXISTING FIRE HYDRANT
PROPOSED STORMLINE
LIMITS OF DEVELOPMENT LOD
EASEMENT LINE
1.THE NATURAL HABITAT BUFFER ZONES ARE INTENDED TO BE MAINTAINED IN A NATIVE
LANDSCAPE. PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE
USES WITHIN THE NATURAL HABITAT BUFFER ZONES.
NATURAL HABITAT BUFFER ZONES
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.MAINTAIN 10' HORIZONTAL AND 18" VERTICAL MINIMUM SEPARATION BETWEEN ALL
STORM DRAINS, SANITARY SEWER MAINS, WATER MAINS, AND SERVICES.
3.PIPE LENGTHS ARE CALCULATED FROM THE CENTER OF MANHOLES AND INLET BOX
STRUCTURES. SPECIFIED LENGTH OF PIPE INCLUDES THE LAYING LENGTH OF
FLARED END SECTIONS.
4.WATER SERVICE MUST HAVE MINIMUM OF 4.5' COVER AND MINIMUM OF 18" VERTICAL
CLEARANCE FROM STORM SEWER. ANY STORM SEWER SHALLOWER THAN 5.0' WILL
REQUIRE THE WATER SERVICE TO BE INSTALLED UNDER THE PROPOSED STORM
SEWER.
5.STORM DRAIN PIPE JOINTS SHALL NOT BE LOCATED OVER UTILITY CROSSINGS.
6.PRIVATE STORM SEWER MATERIAL MAY BE RCP, PVC OR HDPE. ALL RCP SHALL BE
CLASS III OR GREATER. PIPE MATERIAL, BEDDING, AND INSTALLATION WITHIN PUBLIC
RIGHTS-OF-WAY SHALL BE GOVERNED BY THE CITY OF FORT COLLINS. HDPE MUST BE
SMOOTH WALLED INTERIOR. HDPE FITTINGS MAY BE USED FOR PVC INSTALLATIONS.
ALL JOINTS SHALL BE 'WATERTIGHT' USING APPROPRIATE GASKETS OR JOINT WRAPS
(PER ASTM C443 FOR RCP AND PER ASTM F477 / D3212 FOR PLASTIC PIPE).
7.AREA DRAIN PIPE AND DRAIN BASIN CONNECTIONS TO RCP STORM SHALL USE
INSERTA TEE OR APPROVED EQUAL FOR CONNECTION.
STORM LINE H
PROFILE SCALE:PROFILE SCALE:PROFILE SCALE:
RECORD DRAWING
Sheet
of 79
HA
N
S
E
N
F
A
R
M
30
1
N
o
r
t
h
H
o
w
e
s
S
t
r
e
e
t
,
S
u
i
t
e
1
0
0
Fo
r
t
C
o
l
l
i
n
s
,
C
o
l
o
r
a
d
o
8
0
5
2
1
E
N
G
I
N
E
E
R
N
G
I
E
H
T
R
O
N
R
N
PH
O
N
E
:
9
7
0
.
2
2
1
.
4
1
5
8
ww
w
.
n
o
r
t
h
e
r
n
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
06/25/21
500 METAL SIDEWALK CULVERT
D6
DR
A
I
N
A
G
E
D
E
T
A
I
L
S
69
CALL 2 BUSINESS DAYS IN ADVANCE BEFORE YOU
DIG, GRADE, OR EXCAVATE FOR THE MARKING OF
UNDERGROUND MEMBER UTILITIES.
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what'sbelow.
before you dig.Call
R
WATER QUALITY OUTLET STRUCTURE
CC
A
A
B
B
SECTION A-A SECTION B-B
WELL SCREEN FLOW CONTROL PLATE
PLAN
GENERAL NOTES
SECTION E-E
D
D
A A
ABBREVIATIONS
LEGEND
SECTION D-D
E
E
SECTION C-C
506
DESCRIPTION POND 1 POND 2 POND 3 POND 4
ELEV. A (POND INV.)4954.61 4952.94 4953.18 4955.10
ELEV. B (WQCU ELEV.)N/A 4956.44 4954.85 4956.47
ELEV. C (B. WALL TOP)4960.00 4959.45 4958.95 4961.15
ELEV. D (F. WALL TOP)4959.00 4958.20 4957.70 4960.15
SPILL ELEV.4960.30 4960.30 4959.90 4961.50
DWQ (12" MIN.)N/A 3.50'1.67'1.37'
LS (STRUCT. LENGTH)4'5'5'4'
WS (STRUCT. WIDTH)4'5'5'4'
WO (CONC. OPENING)2'1'1'1'
ORIFICE DIAMETER 7.4 in 7.1 in 12.4 in 2.7 in
WQ
HOLE DIA.NO PLATE 15/16 in 3/4 in 7/16 in
# OF ROWS NO PLATE 10 4 4
# OF COLUMNS NO PLATE 1 1 1
502 CONCRETE TRICKLE PAN 503 TYPE C ALUMINUM BRIDGE RAILING
504 BRIDGE RAILING/PARAPET WALL DETAIL
FORT COLLINS ONLY
PLAN
A
A
C
B B
C
SECTION A-A
SECTION B-B
DETAIL 1SECTION C-C SECTION C-C
SECTION B-B
SECTION A-A
DETAIL 1
PLAN
A
A
B
C C
B
501 CONCRETE SIDEWALK CULVERT
DETENTION POND DEPTH GAUGE507
DETENTION POND 1, 2, 3 & 4
RECORD DRAWING
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