HomeMy WebLinkAboutSite Certifications - 05/11/2023Page 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
5/11/2023
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.
11/19
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.)
11/19
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.
11/19
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.
11/19
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
04/03/2023
2/14/17 Page 1
CERTIFICATION OF LOT GRADING
Pursuant to Fort Collins City Code § 26-544 & City Land Use Code § 3.3.2 (e)
Date:
Address:
Lot: Block:
Subdivision:
Permit Application #:
Larimer County Parcel #:
Larimer County Reception #:
(on development agreement)
I, (print) , a Colorado registered professional engineer, verify that construction
of all stormwater facilities and grading is complete and hereby submit this certification.
Please answer the following questions by initialing the appropriate response. For each question initialed “No,” attach an
explanation detailing how this will affect stormwater drainage for this lot and any adjacent lots.
1.Certification includes attached Stormwater-approved grading plan. (NOTE: City’s
Building Department does not approve grading plans).
2.Certification includes the attached as-built survey dated (must be within 60
days of the date the certification is submitted) accurately and truthfully depicting
elevations for:
Top of foundation/finished floor
Finished grade on each side of the structure
Quarter points along each lot line (not more than 50 feet apart)
Break points/high points
Swales
Berms
Retaining walls
Air conditioning pads
Window wells
Any other appurtenance(s) within an easement
3.All elevations are within a 0.2 foot tolerance of the approved grading plan.
4.The top of foundation is at least 6 inches above the highest grade surrounding the
structure.
5.There is a minimum grade of 5% away from the structure within the first 5 to 10 feet
adjacent to the residence.
6.All slopes meet or exceed the minimum requirement of 2% (1% is acceptable on single
family lots when the swale is draining the runoff from only two adjoining properties)
and are not steeper than 33% (3:1).
7.All flow lines of stormwater drainage swales are a minimum of 6 inches below the
elevation of ground adjacent to the structure and will direct drainage as shown on the
Stormwater-approved grading plan.
8.All downspout locations and discharge directions are shown on the as-built survey.
Runoff is directed into an appropriate drainage system or lot line swale, and it is not
directed onto neighboring properties.
No Yes
No Yes
No Yes
No Yes
No Yes
No Yes
No Yes
No Yes
Wes Lamarque
5/11/2023
2/14/17 Page 2
9.A smooth transition with no vertical offset (step) in grade is provided at the lot line to all
adjacent properties.
10.The grading of this lot does not adversely affect neighboring properties or City
infrastructure.
11.Landscaping has been completed prior to survey. If not, please indicate who will be
responsible for completing landscaping:
12.Final site cleanup has been completed.
13.I personally visited the site as part of the certification process, and in my professional
opinion, the as-built survey is an accurate representation of the site conditions..
No Yes
No Yes
No Yes
No Yes
No Yes
14.Based on this information, I certify that (check one):
□The elevations and drainage patterns of the lot/site are in substantial conformance with the City
approved drainage and grading plan for the property (information attached).
□The elevations and drainage patterns of the lot/site as measured are in general conformance with the
City approved drainage plan with exceptions (information attached). In my professional judgment the
elevations and grading of the lot/site as constructed are functionally adequate and equivalent to the
specifically approved drainage plan, and will affect stormwater drainage on and off the lot/site in a
manner consistent with the approved drainage plan.
Name:
Email:
Phone:
Company:
Address:
NOTE: A complete certification must be submitted at least two weeks prior to a request for a Certificate of Occupancy
for the lot/site, including, but not limited to, drawings of the lot/site showing the approved design and as-built surveyed
elevations of all structures, drainage and grading features, written information/explanation of discrepancies, and other
information necessary to confirm the above certification to:
Email (preferred)
WaterUtilitiesEng@fcgov.com
Mailing Address
Fort Collins Utilities
ATTN: Water Utilities Engineering
281 North College Avenue
Fort Collins, CO 80521
Questions?
970-221-6700
PE Stamp
Sign and date
04/03/2023
Project Description
Friction Method Manning Formula
Solve For Full Flow Capacity
Input Data
Roughness Coefficient 0.013
Channel Slope 0.00160 ft/ft
Normal Depth 1.50 ft
Diameter 1.50 ft
Discharge 4.20 ft³/s
Results
Discharge 4.20 ft³/s
Normal Depth 1.50 ft
Flow Area 1.77 ft²
Wetted Perimeter 4.71 ft
Hydraulic Radius 0.38 ft
Top Width 0.00 ft
Critical Depth 0.79 ft
Percent Full 100.0 %
Critical Slope 0.00548 ft/ft
Velocity 2.38 ft/s
Velocity Head 0.09 ft
Specific Energy 1.59 ft
Froude Number 0.00
Maximum Discharge 4.52 ft³/s
Discharge Full 4.20 ft³/s
Slope Full 0.00160 ft/ft
Flow Type SubCritical
GVF Input Data
Downstream Depth 0.00 ft
Length 0.00 ft
Number Of Steps 0
GVF Output Data
Upstream Depth 0.00 ft
Profile Description
Profile Headloss 0.00 ft
Average End Depth Over Rise 0.00 %
18" RCP Pipe Capacity
3/27/2023 3:45:56 PM
Bentley Systems, Inc. Haestad Methods Solution CenterBentley FlowMaster V8i (SELECTseries 1) [08.11.01.03]
27 Siemons Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 2of1Page
GVF Output Data
Normal Depth Over Rise 100.00 %
Downstream Velocity Infinity ft/s
Upstream Velocity Infinity ft/s
Normal Depth 1.50 ft
Critical Depth 0.79 ft
Channel Slope 0.00160 ft/ft
Critical Slope 0.00548 ft/ft
18" RCP Pipe Capacity
3/27/2023 3:45:56 PM
Bentley Systems, Inc. Haestad Methods Solution CenterBentley FlowMaster V8i (SELECTseries 1) [08.11.01.03]
27 Siemons Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 2of2Page
This pipe capacity calculation has been provided for the 18" RCP pipe within the
College Ave. ROW. Per as-builts received, the as-built pipe slope was observed to be
0.16%. While this is below the minimum required slope listed in the drainage
certification checklist, the pipe as constructed still has the capacity to convey 4.20
CFS. As observed from the EPA/SWMM model output (see next page, from the
As-Built Design Report for the Remington Street Storm Sewer Outfall Improvement
Project, prepared by Anderson Consulting Engineers on December 7, 2020), the
expected flows through this pipe are 6.3, 4.6, and 2.4 CFS in the 100,10, and 2-YR
storm events respectively. Thus, in the as-built condition, the 18" RCP pipe should be
able to convey the full 2-YR event, 91% of the 10-YR event and 66% of the 100-YR
event. It was also observed that this inlet is expected to be significantly
flooded/surcharged in the 100-YR event so the slope of the newly constructed pipe
should have little to no impact on the ROW stormwater system.
AS-BUILT CONDITIONS WITH EXISTING FACILITIES EPA-SWMM LINK INPUT AND RESULTS
Storm
Sewer
Link No.*
Link Name Location/Description Size (ft)D/S Invert
Elev. (ft)
D/S Node
Name
U/S Invert
Elev. (ft)
U/S Node
Name Length Slope
(%)
Manning's
Roughness
Entry Loss
Coefficient
Exit Loss
Coefficient
100-Year
Peak Q
(cfs)
10-Year
Peak Q
(cfs)
2-Year
Peak Q
(cfs)
47 PRSPT_IN-1_P-1**14" H x 23" W HERCP Lateral Connection Between
Prospect Inlet #1 and Prospect Inlet #2
1.17 ft H X 1.917 ft W
(1.5 ft Equivalent)4987.61 PRSPT_N-3 4987.85 PRSPT_N-2 8.0 3.00% 0.013 0.500 0.100 1.9 0.9 0.5
48 PRSPT_IN-2_P-1**14" H x 23" W HERCP Lateral Connection Between
Prospect Inlet #2 and Prospect Lateral
1.17 ft H X 1.917 ft W
(1.5 ft Equivalent)4987.37 PRSPT_N-6 4987.41 PRSPT_N-3 49.0 0.08% 0.013 0.500 1.010 9.5 4.4 2.4
49 PRSPT_IN-3_P-1**18" PVC Lateral Connection Between
Prospect Inlet #3 and Prospect Inlet #4 1.5 ft 4987.76 PRSPT_N-5 4990.24 PRSPT_N-4 20.0 12.40% 0.011 0.500 0.050 0.7 0.3 0.1
50 PRSPT_IN-4_P-1**18" RCP Lateral Connection Between
Prospect Inlet #4 and Prospect Lateral 1.5 ft 4987.00 PRSPT_N-6 4987.19 PRSPT_N-5 47.0 0.40% 0.013 0.500 0.500 6.7 1.1 0.7
51 PRSPT_IN-5_P-1***Fictious 18" RCP to Limit Captured Flow
Based on Inlet Capacity 1.5 ft 4987.52 PRSPT_N-9 4987.55 PRSPT_N-11 10.0 0.30% 0.013 0.500 0.025 2.1 0.5 0.3
*Link Numbers are Referenced on the Subbasin and Conveyance Element Map
**These pipes were installed as part of the College Avenue/Prospect Road Improvement Project in 2017
***Fictious pipe to limit captured flow based on inlet capacity
Indicates data updated for As-built Analysis
Indicates data revised for Existing Facilities Analysis
Storm
Sewer
Link No.*
Link Name Location/Description Size (ft)D/S Invert
Elev. (ft)
D/S Node
Name
U/S Invert
Elev. (ft)
U/S Node
Name Length Slope
(%)
Manning's
Roughness
Entry Loss
Coefficient
Exit Loss
Coefficient
100-Year
Peak Q
(cfs)
10-Year
Peak Q
(cfs)
2-Year
Peak Q
(cfs)
52 COLLG_IN-1_P-2**18" RCP Lateral Connection Between
College Inlet #1 and Manhole West of Inlet 1.5 ft 4988.56 COLLG_N-2 4988.61 COLLG_N-1 10.0 0.50% 0.013 0.500 1.010 6.3 4.6 2.4
53 COLLG_IN-1_P-1**18" RCP Lateral Connection Between
Manhole West of Inlet and Prospect Lateral 1.5 ft 4986.86 PRSPT_N-7 4987.58 COLLG_N-2 144.0 0.50% 0.013 0.200 1.010 10.7 8.7 4.6
54 COLLG_IN-2_P-3**15" Existing RCP Between College Inlet #1 and College
Inlet #2 1.25 ft 4988.63 COLLG_N-2 4989.12 COLLG_N-3 88.0 0.56% 0.013 0.500 1.010 5.2 4.3 2.3
55 COLLG_IN-2_P-2**24" RCP Lateral Connection Between
College Inlet #2 and Manhole North of Inlet 2.0 ft 4988.75 COLLG_N-4 4989.12 COLLG_N-3 10.0 3.70% 0.013 0.500 0.025 23.8 15.7 7.2
56 COLLG_IN-2_P-1**18" RCP Lateral Connection Between
Manhole North of Inlet and Prospect Lateral 2.0 ft 4987.12 PRSPT_N-8 4987.47 PRSPT_N-4 108.0 0.32% 0.013 0.200 0.500 23.8 15.5 7.2
57 COLLG_IN-3_P-1**12" RCP Lateral Connection Between
College Inlet #3 and CSU Medical Center System 1.0 ft 4992.90 CSU_MC_O-1 4993.20 COLLG_N-5 54.0 0.56% 0.013 0.500 0.025 3.8 3.8 1.3
*Link Numbers are Referenced on the Subbasin and Conveyance Element Map
*These pipes were installed as part of the College Avenue/Prospect Road Improvement Project in 2017
Indicates data updated for As-built Analysis
Indicates data revised for Existing Facilities Analysis
Storm
Sewer
Link No.*
Link Name Location/Description Size (ft)D/S Invert
Elev. (ft)
D/S Node
Name
U/S Invert
Elev. (ft)
U/S Node
Name Length Slope
(%)
Manning's
Roughness
Entry Loss
Coefficient
Exit Loss
Coefficient
100-Year
Peak Q
(cfs)
10-Year
Peak Q
(cfs)
2-Year
Peak Q
(cfs)
58 LAKE_IN-1_P-1**15" RCP Lateral Connection Between
Lake Inlet #1 and Lake Lateral 1.25 ft 4993.20 LAKE_N-1 4994.80 LAKE_N-2 50.0 3.20% 0.013 0.500 0.500 0.9 0.9 0.6
59 LAKE_IN-2_P-1**15" RCP Lateral Connection Between
Lake Inlet #2 and Lake Lateral 1.25 ft 4993.20 LAKE_N-1 4994.90 LAKE_N-3 68.0 2.50% 0.013 0.500 0.500 2.0 2.1 1.4
60 LAKE_IN-3_P-1**12" RCP Lateral Connection Between
Lake Inlet #3 and Lake Lateral 1.0 ft 4993.20 LAKE_N-4 4994.20 LAKE_N-5 86.0 1.16% 0.013 0.500 0.100 3.0 3.4 2.8
61 LAKE_IN-4_P-1**15" RCP Lateral Connection Between
Lake Inlet #4 and Lake Lateral 1.25 ft 4993.20 LAKE_N-4 4993.80 LAKE_N-6 79.0 0.76% 0.013 0.500 0.025 2.5 2.6 1.1
*Link Numbers are Referenced on the Subbasin and Conveyance Element Map
**Existing pipes based on COFC inventory and field measurements
Indicates data updated for As-built Analysis
Indicates data revised for Existing Facilities Analysis
LAKE INLET PIPES
PROSPECT INLET PIPES
COLLEGE INLET PIPES
Existing College inlet lateral information - for
0.5% design slope verification where lateral is
proposed to be extended to relocate manhole
east with lane widening.
C0.0
COVER SHEET
CIVIL UTILITY PLANS FOR
A PORTION OF LOTS 1, 2, 3, 4, 5 AND 6, BLOCK 1, I.C. BRADLEY'S
ADDITION TO THE CITY OF FORT COLLINS;
PART OF THE NORTHWEST QUARTER OF SECTION 24,
T. 7 N., R. 69 W. OF THE 6TH P.M., FORT COLLINS,
LARIMER COUNTY, COLORADO
MARCH 2023
ALPINE BANK SUBDIVISION
-01/20/2021 2ND PDP SUB MAS
-02/17/2021 3RD PDP SUB MAS
-04/07/2021 1ST FDP SUB MAS
-05/19/2021 2ND FDP SUB MAS
-07/08/2021 3RD FDP SUB MAS
-08/19/2021 4TH FDP SUB MAS
1 04/01/2022 ASI #5 MAS
AB 10/28/2022 AS-BUILT (WATER & SEWER)MAS
-
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Init.#Issue / DescriptionDate
THESE PLANS ARE AN INSTRUMENT OF SERVICE
AND ARE THE PROPERTY OF GALLOWAY, AND MAY
NOT BE DUPLICATED, DISCLOSED, OR REPRODUCED
WITHOUT THE WRITTEN CONSENT OF GALLOWAY.
COPYRIGHTS AND INFRINGEMENTS WILL BE
ENFORCED AND PROSECUTED.
COPYRIGHT
GallowayUS.com
6162 S. Willow Drive, Suite 320
Greenwood Village, CO 80111
303.770.8884
Date:
Drawn By:
Project No:
Checked By:
CI
V
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-12/02/2020 1ST PDP SUB MAS
ALB000001
MRB
PJD
MARCH 2023
-11/09/2021 FOR CONSTRUCTION MAS
2 09/14/2022 MONUMENT SIGN UPDATE MAS
RECORD DRAWING
AB 01/09/2023 AS-BUILT (WATER & SEWER)MAS
AB 03/31/2023 AS-BUILT (DRAINAGE CERT)PJD
NOTE: CONTRACTOR SHALL PROTECT ALL
EXISTING SURVEY MONUMENTATION. CONTRACTOR
SHALL HAVE LICENSED SURVEYOR REPLACE ANY
DAMAGED OR DISTURBED MONUMENTATION AT
THEIR COST.
SOIL PREPARATION NOTE
SOIL PREPARATION SHALL BE PER RECOMMENDATIONS FROM A GEOTECHNICAL ENGINEERING
REPORT PREPARED FOR THIS SITE AS FOLLOWS:
GEOTECHNICAL ENGINEER: CESARE, INC.
REPORT No: 20.3059
THE CONTRACTOR MUST FULLY REVIEW THESE REPORTS PRIOR TO CONSTRUCTION.
INFORMATION IN THE GEOTECHNICAL REPORT SUPERSEDES ANY CONFLICTING INFORMATION
CONTAINED IN THE CONSTRUCTION PLANS AND SPECIFICATIONS. REFER TO GENERAL
STRUCTURAL NOTES FOR SPECIFIC SOIL PREPARATION AT SITE STRUCTURES.
NOTE: CONTRACTOR MUST COORDINATE WORK
WITH UTILITY COMPANY AND CITY PRIOR TO
BEGINNING WORK AND IS RESPONSIBLE FOR ALL
MATERIALS, LABOR, REPAIRS, ETC. TO COMPLETE
WORK AND RESTORE AREA TO SAME STATE PRIOR
TO STARTING WORK
SURVEYOR TO OBTAIN AUTOCAD FILE FROM
ENGINEER AND VERIFY ALL HORIZONTAL CONTROL
DIMENSIONING PRIOR TO CONSTRUCTION
STAKING. SURVEYOR MUST VERIFY ALL
BENCHMARK, BASIS OF BEARING AND DATUM
INFORMATION TO ENSURE IMPROVEMENTS WILL BE
AT THE SAME HORIZONTAL AND VERTICAL
LOCATIONS SHOWN ON THE DESIGN
CONSTRUCTION DRAWINGS. PRIOR TO
CONSTRUCTION STAKING ANY DISCREPANCY MUST
BE REPORTED TO OWNER AND ENGINEER PRIOR
TO CONTINUATION OF ANY FURTHER STAKING OR
CONSTRUCTION WORK.
NOTE: CONTRACTOR RESPONSIBLE FOR AS-BUILT
DRAWINGS, TESTS, REPORTS AND/OR ANY OTHER
CERTIFICATES OR INFORMATION AS REQUIRED
FOR ACCEPTANCE OF WORK FROM CITY, UTILITY
DISTRICTS OR ANY OTHER GOVERNING AGENCY.
04/03/2023
HISTORICAL
BUILDING
RELOCATED
PROPOSED
BANK
EX
I
T
O
N
L
Y
TRASH
ENCLOSURE
C2.0
GRADING PLAN
-01/20/2021 2ND PDP SUB MAS
-02/17/2021 3RD PDP SUB MAS
-04/07/2021 1ST FDP SUB MAS
-05/19/2021 2ND FDP SUB MAS
-07/08/2021 3RD FDP SUB MAS
-08/19/2021 4TH FDP SUB MAS
1 04/01/2022 ASI #5 MAS
AB 10/28/2022 AS-BUILT (WATER & SEWER)MAS
-
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Init.#Issue / DescriptionDate
THESE PLANS ARE AN INSTRUMENT OF SERVICE
AND ARE THE PROPERTY OF GALLOWAY, AND MAY
NOT BE DUPLICATED, DISCLOSED, OR REPRODUCED
WITHOUT THE WRITTEN CONSENT OF GALLOWAY.
COPYRIGHTS AND INFRINGEMENTS WILL BE
ENFORCED AND PROSECUTED.
COPYRIGHT
GallowayUS.com
6162 S. Willow Drive, Suite 320
Greenwood Village, CO 80111
303.770.8884
Date:
Drawn By:
Project No:
Checked By:
CI
V
I
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I
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-12/02/2020 1ST PDP SUB MAS
ALB000001
MRB
PJD
MARCH 2023
-11/09/2021 FOR CONSTRUCTION MAS
2 09/14/2022 MONUMENT SIGN UPDATE MAS
RECORD DRAWING
AB 01/09/2023 AS-BUILT (WATER & SEWER)MAS
AB 03/31/2023 AS-BUILT (DRAINAGE CERT)PJD
SCALE: 1"=20'
0 10 20
SOIL PREPARATION NOTE
SOIL PREPARATION SHALL BE PER RECOMMENDATIONS FROM A GEOTECHNICAL ENGINEERING
REPORT PREPARED FOR THIS SITE AS FOLLOWS:
GEOTECHNICAL ENGINEER: CESARE, INC.
REPORT No: 20.3059
THE CONTRACTOR MUST FULLY REVIEW THESE REPORTS PRIOR TO CONSTRUCTION.
INFORMATION IN THE GEOTECHNICAL REPORT SUPERSEDES ANY CONFLICTING INFORMATION
CONTAINED IN THE CONSTRUCTION PLANS AND SPECIFICATIONS. REFER TO GENERAL
STRUCTURAL NOTES FOR SPECIFIC SOIL PREPARATION AT SITE STRUCTURES.
04/03/2023
HISTORICAL
BUILDING
RELOCATED
PROPOSED
BANK
EX
I
T
O
N
L
Y
TRASH
ENCLOSURE
SCALE: 1"=20'
0 10 20
C4.0
UTILITY PLAN
EM
SS
GM
DYH
GM
ER
EVT
-01/20/2021 2ND PDP SUB MAS
-02/17/2021 3RD PDP SUB MAS
-04/07/2021 1ST FDP SUB MAS
-05/19/2021 2ND FDP SUB MAS
-07/08/2021 3RD FDP SUB MAS
-08/19/2021 4TH FDP SUB MAS
1 04/01/2022 ASI #5 MAS
AB 10/28/2022 AS-BUILT (WATER & SEWER)MAS
-
STAMP
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Init.#Issue / DescriptionDate
THESE PLANS ARE AN INSTRUMENT OF SERVICE
AND ARE THE PROPERTY OF GALLOWAY, AND MAY
NOT BE DUPLICATED, DISCLOSED, OR REPRODUCED
WITHOUT THE WRITTEN CONSENT OF GALLOWAY.
COPYRIGHTS AND INFRINGEMENTS WILL BE
ENFORCED AND PROSECUTED.
COPYRIGHT
GallowayUS.com
6162 S. Willow Drive, Suite 320
Greenwood Village, CO 80111
303.770.8884
Date:
Drawn By:
Project No:
Checked By:
CI
V
I
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-12/02/2020 1ST PDP SUB MAS
ALB000001
MRB
PJD
MARCH 2023
-11/09/2021 FOR CONSTRUCTION MAS
2 09/14/2022 MONUMENT SIGN UPDATE MAS
RECORD DRAWING
AB 01/09/2023 AS-BUILT (WATER & SEWER)MAS
AB 03/31/2023 AS-BUILT (DRAINAGE CERT)PJD
04/03/2023
PR
O
P
O
S
E
D
BA
N
K
EXIT ONLY
TRASH
ENCLOSURE
C5.1
STORM PLAN AND
PROFILE
SCALE: 1"=20'
0 10 20
-01/20/2021 2ND PDP SUB MAS
-02/17/2021 3RD PDP SUB MAS
-04/07/2021 1ST FDP SUB MAS
-05/19/2021 2ND FDP SUB MAS
-07/08/2021 3RD FDP SUB MAS
-08/19/2021 4TH FDP SUB MAS
1 04/01/2022 ASI #5 MAS
AB 10/28/2022 AS-BUILT (WATER & SEWER)MAS
-
STAMP
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THESE PLANS ARE AN INSTRUMENT OF SERVICE
AND ARE THE PROPERTY OF GALLOWAY, AND MAY
NOT BE DUPLICATED, DISCLOSED, OR REPRODUCED
WITHOUT THE WRITTEN CONSENT OF GALLOWAY.
COPYRIGHTS AND INFRINGEMENTS WILL BE
ENFORCED AND PROSECUTED.
COPYRIGHT
GallowayUS.com
6162 S. Willow Drive, Suite 320
Greenwood Village, CO 80111
303.770.8884
Date:
Drawn By:
Project No:
Checked By:
CI
V
I
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-12/02/2020 1ST PDP SUB MAS
ALB000001
MRB
PJD
MARCH 2023
-11/09/2021 FOR CONSTRUCTION MAS
2 09/14/2022 MONUMENT SIGN UPDATE MAS
RECORD DRAWING
AB 01/09/2023 AS-BUILT (WATER & SEWER)MAS
AB 03/31/2023 AS-BUILT (DRAINAGE CERT)PJD
PLAN: STORM SEWER LINE 1 (STA 0+00 TO STA 0+26.57)
SCALE: 1"=20'
PLAN: STORM SEWER LINE 2 (STA 0+00 TO STA 2+22.90)
SCALE: 1"=20'
PLAN: STORM SEWER LINE 1 (STA 0+00 TO STA 0+26.57)
SCALE: 1"=20', HORIZONTAL: 1"=20', VERTICAL: 1"=10'
PLAN: STORM SEWER LINE 2 (STA 0+00 TO STA 2+22.90)
SCALE: 1"=20', HORIZONTAL: 1"=20', VERTICAL: 1"=10'
SCALE: 1"=20'
0 10 20
04/03/2023
TRASH
ENCLOSURE
HISTORICAL
BUILDING
C5.2
STORM PLAN AND
PROFILE
SCALE: 1"=20'
0 10 20
-01/20/2021 2ND PDP SUB MAS
-02/17/2021 3RD PDP SUB MAS
-04/07/2021 1ST FDP SUB MAS
-05/19/2021 2ND FDP SUB MAS
-07/08/2021 3RD FDP SUB MAS
-08/19/2021 4TH FDP SUB MAS
1 04/01/2022 ASI #5 MAS
AB 10/28/2022 AS-BUILT (WATER & SEWER)MAS
-
STAMP
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Init.#Issue / DescriptionDate
THESE PLANS ARE AN INSTRUMENT OF SERVICE
AND ARE THE PROPERTY OF GALLOWAY, AND MAY
NOT BE DUPLICATED, DISCLOSED, OR REPRODUCED
WITHOUT THE WRITTEN CONSENT OF GALLOWAY.
COPYRIGHTS AND INFRINGEMENTS WILL BE
ENFORCED AND PROSECUTED.
COPYRIGHT
GallowayUS.com
6162 S. Willow Drive, Suite 320
Greenwood Village, CO 80111
303.770.8884
Date:
Drawn By:
Project No:
Checked By:
CI
V
I
L
U
T
I
L
I
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Y
P
L
A
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F
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-12/02/2020 1ST PDP SUB MAS
ALB000001
MRB
PJD
MARCH 2023
-11/09/2021 FOR CONSTRUCTION MAS
2 09/14/2022 MONUMENT SIGN UPDATE MAS
RECORD DRAWING
AB 01/09/2023 AS-BUILT (WATER & SEWER)MAS
AB 03/31/2023 AS-BUILT (DRAINAGE CERT)PJD
PLAN: STORM SEWER LINE 4 (STA 0+00 TO STA 0+22.01)
SCALE: 1"=20'
PLAN: STORM SEWER LINE 3 (STA 0+00 TO STA 1+53.13)
SCALE: 1"=20'
PLAN: STORM SEWER LINE 4 (STA 0+00 TO STA 0+22.01)
SCALE: 1"=20', HORIZONTAL: 1"=20', VERTICAL: 1"=10'
PLAN: STORM SEWER LINE 3 (STA 0+00 TO STA 1+53.13)
SCALE: 1"=20', HORIZONTAL: 1"=20', VERTICAL: 1"=10'
SCALE: 1"=20'
0 10 20
04/03/2023
PROPOSED
BANK
C5.3
STORM PLAN CDOT
ROW
SCALE: 1"=20'
0 10 20
-01/20/2021 2ND PDP SUB MAS
-02/17/2021 3RD PDP SUB MAS
-04/07/2021 1ST FDP SUB MAS
-05/19/2021 2ND FDP SUB MAS
-07/08/2021 3RD FDP SUB MAS
-08/19/2021 4TH FDP SUB MAS
1 04/01/2022 ASI #5 MAS
AB 10/28/2022 AS-BUILT (WATER & SEWER)MAS
-
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Init.#Issue / DescriptionDate
THESE PLANS ARE AN INSTRUMENT OF SERVICE
AND ARE THE PROPERTY OF GALLOWAY, AND MAY
NOT BE DUPLICATED, DISCLOSED, OR REPRODUCED
WITHOUT THE WRITTEN CONSENT OF GALLOWAY.
COPYRIGHTS AND INFRINGEMENTS WILL BE
ENFORCED AND PROSECUTED.
COPYRIGHT
GallowayUS.com
6162 S. Willow Drive, Suite 320
Greenwood Village, CO 80111
303.770.8884
Date:
Drawn By:
Project No:
Checked By:
CI
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-12/02/2020 1ST PDP SUB MAS
ALB000001
MRB
PJD
MARCH 2023
-11/09/2021 FOR CONSTRUCTION MAS
2 09/14/2022 MONUMENT SIGN UPDATE MAS
RECORD DRAWING
AB 01/09/2023 AS-BUILT (WATER & SEWER)MAS
AB 03/31/2023 AS-BUILT (DRAINAGE CERT)PJD
PLAN: STORM SEWER LINE 5 (STA 40+03.83 TO STA 40+16.04)
SCALE: 1"=20'
PLAN: STORM SEWER LINE 5 (STA 40+03.83 TO STA 40+16.04)
SCALE: 1"=20', HORIZONTAL: 1"=20', VERTICAL: 1"=10'
04/03/2023
C5.5
STORM DETAILS
-01/20/2021 2ND PDP SUB MAS
-02/17/2021 3RD PDP SUB MAS
-04/07/2021 1ST FDP SUB MAS
-05/19/2021 2ND FDP SUB MAS
-07/08/2021 3RD FDP SUB MAS
-08/19/2021 4TH FDP SUB MAS
1 04/01/2022 ASI #5 MAS
AB 10/28/2022 AS-BUILT (WATER & SEWER)MAS
-
STAMP
H:
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Init.#Issue / DescriptionDate
THESE PLANS ARE AN INSTRUMENT OF SERVICE
AND ARE THE PROPERTY OF GALLOWAY, AND MAY
NOT BE DUPLICATED, DISCLOSED, OR REPRODUCED
WITHOUT THE WRITTEN CONSENT OF GALLOWAY.
COPYRIGHTS AND INFRINGEMENTS WILL BE
ENFORCED AND PROSECUTED.
COPYRIGHT
GallowayUS.com
6162 S. Willow Drive, Suite 320
Greenwood Village, CO 80111
303.770.8884
Date:
Drawn By:
Project No:
Checked By:
CI
V
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-12/02/2020 1ST PDP SUB MAS
ALB000001
MRB
PJD
MARCH 2023
-11/09/2021 FOR CONSTRUCTION MAS
2 09/14/2022 MONUMENT SIGN UPDATE MAS
RECORD DRAWING
AB 01/09/2023 AS-BUILT (WATER & SEWER)MAS
AB 03/31/2023 AS-BUILT (DRAINAGE CERT)PJD
FINISHED GRADE
FINISHED
FLOOR
NOT TO SCALE1
BUILDING
WALL
STORM DRAIN CONNECTION
SQUARE ARCH.
DOWNSPOUT,
REF. BLDG PLANS
TRANSITION DOWNSPOUT
FROM SQUARE TO ROUND
STORM
DRAIN
CONNECT TO CIVIL STORM DRAIN PIPING.
FIELD COORDINATE PIPING SIZE AND
INVERT ELEVATION WITH CIVIL. SLOPE
PIPING IN DIRECTION OF FLOW, REF.
STORM DRAIN SHEETS
CONCRETE
SIDEWALK/LANDSCAPING
PROVIDE SPLASH GUARD
ON BOTTOM 2'-0" OF
DOWNSPOUT, REF. BLDG
PLANS
BUILDING FOUNDATION
04/03/2023
HISTORICAL
BUILDING
RELOCATED
PROPOSED
BANK
EX
I
T
O
N
L
Y
TRASH
ENCLOSURE
C6.1
WATER PLANS
SCALE: 1"=20'
0 10 20
-01/20/2021 2ND PDP SUB MAS
-02/17/2021 3RD PDP SUB MAS
-04/07/2021 1ST FDP SUB MAS
-05/19/2021 2ND FDP SUB MAS
-07/08/2021 3RD FDP SUB MAS
-08/19/2021 4TH FDP SUB MAS
1 04/01/2022 ASI #5 MAS
AB 10/28/2022 AS-BUILT (WATER & SEWER)MAS
-
STAMP
H:
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Init.#Issue / DescriptionDate
THESE PLANS ARE AN INSTRUMENT OF SERVICE
AND ARE THE PROPERTY OF GALLOWAY, AND MAY
NOT BE DUPLICATED, DISCLOSED, OR REPRODUCED
WITHOUT THE WRITTEN CONSENT OF GALLOWAY.
COPYRIGHTS AND INFRINGEMENTS WILL BE
ENFORCED AND PROSECUTED.
COPYRIGHT
GallowayUS.com
6162 S. Willow Drive, Suite 320
Greenwood Village, CO 80111
303.770.8884
Date:
Drawn By:
Project No:
Checked By:
CI
V
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-12/02/2020 1ST PDP SUB MAS
ALB000001
MRB
PJD
MARCH 2023
-11/09/2021 FOR CONSTRUCTION MAS
2 09/14/2022 MONUMENT SIGN UPDATE MAS
RECORD DRAWING
AB 01/09/2023 AS-BUILT (WATER & SEWER)MAS
AB 03/31/2023 AS-BUILT (DRAINAGE CERT)PJD
04/03/2023
HISTORICAL
BUILDING
RELOCATED
PROPOSED
BANK
EX
I
T
O
N
L
Y
TRASH
ENCLOSURE
C7.1
SANITARY PLANS
SCALE: 1"=20'
0 10 20
-01/20/2021 2ND PDP SUB MAS
-02/17/2021 3RD PDP SUB MAS
-04/07/2021 1ST FDP SUB MAS
-05/19/2021 2ND FDP SUB MAS
-07/08/2021 3RD FDP SUB MAS
-08/19/2021 4TH FDP SUB MAS
1 04/01/2022 ASI #5 MAS
AB 10/28/2022 AS-BUILT (WATER & SEWER)MAS
-
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H:
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Init.#Issue / DescriptionDate
THESE PLANS ARE AN INSTRUMENT OF SERVICE
AND ARE THE PROPERTY OF GALLOWAY, AND MAY
NOT BE DUPLICATED, DISCLOSED, OR REPRODUCED
WITHOUT THE WRITTEN CONSENT OF GALLOWAY.
COPYRIGHTS AND INFRINGEMENTS WILL BE
ENFORCED AND PROSECUTED.
COPYRIGHT
GallowayUS.com
6162 S. Willow Drive, Suite 320
Greenwood Village, CO 80111
303.770.8884
Date:
Drawn By:
Project No:
Checked By:
CI
V
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ALB000001
MRB
PJD
MARCH 2023
-11/09/2021 FOR CONSTRUCTION MAS
2 09/14/2022 MONUMENT SIGN UPDATE MAS
RECORD DRAWING
AB 01/09/2023 AS-BUILT (WATER & SEWER)MAS
AB 03/31/2023 AS-BUILT (DRAINAGE CERT)PJD
04/03/2023
HISTORICAL
BUILDING
RELOCATED
PROPOSED
BANK
EX
I
T
O
N
L
Y
TRASH
ENCLOSURE
90.12
CO
90.49
CO
92.17
CS92.30
WMTR
91.59
CS
91.30
WMTR
90.02
CO
90.04
CO
91.83
WTR STUB
92.19
CS
89.97
WTR STUB
91.15
WV
91.13
WV
92.41
FL ME 92.94
TBC ME
92.96
EOC
92.93
EOC
92.89
EOC92.78
EOC
92.51
EOC
91.38
EOC
90.96
FL
90.93
FL
91.09
FL
91.77
FL
92.11
TOC
92.32
EOC
92.34
TBC
92.30
TBC
92.21
TBC
92.75
EOC
92.82
EOC
92.83
EOC 92.78
EOC
92.22
FL
92.57
EOC
91.92
FL
91.58
FL
91.64
FL
91.67
FL
91.73
FL
92.24
EOC92.26
TBC
92.19
TBC
91.41
FL XPAN
91.29
FL XPAN
91.15
FL XPAN
90.92
FL XPAN
90.92
FL XPAN
91.48
TOC
91.27
TOC
91.01
TOC
91.14
TOC
91.40
TOC
91.76
TOC
90.86
TOC91.54
EOC
91.20
EOC
91.05
FL
91.02
FL
90.94
FL
90.88
FL
90.80
FL
90.65
FL 91.27
TBC
91.30
TBC
91.35
TBC
91.06
EOC
90.58
FL 91.25
TBC
91.22
TBC90.56
FL
90.48
FL
91.32
EOC
91.30
EOC
91.21
TBC
90.55
FL
90.69
FL
91.24
CL MH RIM
91.25
CL MH RIM
90.92
FL 91.37
TBC
91.36
EOC
91.47
EOC
92.20
CL FH FLANGE
91.15
FL
91.61
TBC
91.77
TBC91.33
FL
91.82
EOC
91.81
EOC
91.94
TOC
92.03
COFC BM
92.02
TOC
91.57
FL
91.46
FL
91.54
EOC
91.48
EOC
91.36
EOC
91.69
EOC 91.80
EOC
91.73
BOW 92.39
BOW
93.11
CL TOW
93.19
CL TOW
92.56
BOW
91.73
BOW
92.98
EOC
92.57
GND
91.96
EOC
92.94
EOC
93.08
CL TOW93.08
CL TOW
92.48
BOW
92.38
BOW
91.85
TOC
91.83
TOC
91.73
EOC
91.78
EOC
91.61
EOC
91.58
EOC
91.78
EOC 92.95
EOC92.97
EOC
93.04
FF
93.04
TOC93.06
CL TOW
93.06
CL TOW
93.06
CL TOW
93.05
CL TOW
92.97
EOC
92.96
EOC
92.95
EOW
92.95
EOW
92.96
EOW
92.96
EOW
92.93
EOW
92.93
EOW92.91
EOW
92.95
EOC91.79
BOW
91.78
EOC
92.93
EOC
91.99
EOC
91.90
EOC
91.74
EOC
91.73
EOC
91.90
EOC
91.77
EOC
91.85
EOC
91.92
EOC
91.78
EOC
91.63
EOC
91.62
EOC
91.59
EOC
91.57
TBC
91.11
FL
90.92
FL
90.79
FL
90.92
FL
91.64
CL METER RIM
91.38
EOC
91.53
EOC
91.56
EOC
91.39
EOC
91.40
TBC
91.42
TBC
92.95
EOC
91.34
FL
91.17
FL
91.14
FL
90.92
FL
90.88
FL
91.10
FL
91.78
EOC
91.95
EOC
91.76
TOC
91.69
TOC
91.52
TOC
91.50
TOC
91.49
EOC
91.23
EOC
91.13
EOC
91.80
EOC
91.70
EOC
91.09
EOC
90.98
EOC
90.89
EOC
90.85
FL
90.85
FL
91.05
TBC 91.01
TBC
90.67
EOC
90.62
FL
90.68
FL
90.72
TOC
90.70
TOC
90.70
TOC
90.71
FL
90.89
TBC
91.24
TBC
90.75
FL
90.80
FL EX
91.28
TBC EX
92.06
BOW
93.04
CL TOW
93.06
CL TOW
93.05
CL TOW
92.34
BOW
91.93
BOW
92.94
EOC92.91
EOC
92.42
BOW
91.75
BOW
93.06
CL TOW
91.39
TOF
92.68
BOW
93.29
BOW
93.24
BOW
92.92
BOW
91.51
GND
91.73
TOE
91.56
TOE
91.65
TOE
91.61
GND
91.81
GND
91.94
TOE
92.02
TOE
90.82
CL SIGN FTR
90.78
CL SIGN FTR
90.19
GRATE
90.20
GRATE
90.21
GRATE
90.21
GRATE
90.36
TPAD CNR
90.27
TPAD CNR
90.25
TPAD CNR
90.33
TPAD CNR
90.71
FL
90.47
FL
90.05
FL END
89.90
EOC
89.90
EOC
89.96
EOC
89.90
EOC
89.85
EOC
89.22
CL VAULT RIM
89.76
FL END
89.44
FL
89.03
FL
88.90
FL89.02
FL89.30
FL
92.53
LP TOB
89.91
GND
89.87
GND
91.95
GND
92.11
GND
92.97
EOC
92.93
EOC
92.57
EOC
92.49
EOC
92.44
EOC
92.55
EOC
88.50
TOC
88.14
TOC
87.81
FL
87.48
FL
87.51
FL
87.55
FL
88.10
FL
88.67
FL
89.13
FL
89.81
FL
90.39
FL
90.34
FL
90.44
FL
90.62
FL
90.77
CL TOW
89.40
BOW
88.57
BOW
90.77
CL TOW
90.77
CL TOW
90.70
BOW
87.99
BOW
90.24
FL
90.15
FL
90.14
FL
90.02
FL GRATE
90.04
FL GRATE
90.39
TOC
90.70
TOC
86.13
INV
85.25
INV
85.09
INV
89.56
FL
88.61
FL
88.59
FL
88.53
FL
88.33
FL
87.90
FL
87.40
FL
87.08
FL
87.07
FL
87.29
FL
87.44
FL
88.47
TOC
88.47
TOC
87.46
TOC
87.46
TOC
87.37
FL
88.93
CL TOW
88.36
BOW
87.82
BOW
87.37
FL
87.37
FL
87.40
FL
90.21
LP TOB
87.01
FL
86.96
FL
86.96
FL
87.31
FL
87.51
FL
87.88
BOW
89.43
EOC
89.44
EOC
87.29
EOC
86.86
EOC
86.69
EOC
86.74
EOC
86.90
EOC
87.01
EOC
87.24
EOC
87.00
CL VAULT RIM
86.98
GRATE
87.01
GRATE
86.99
GRATE
86.94
GRATE
84.95
INV
87.73
CL RIM
89.06
FL
89.45
FL
89.43
FL
89.45
FL
89.77
FL
89.46
FL
89.25
FL
88.88
FL
88.76
FL
88.73
FL
88.51
FL
88.51
FL
88.94
FL
89.13
FL
89.39
FL
89.91
EOC
92.46
LP TOB
90.57
EOC
90.05
FL
91.48
EOC
91.57
CL SIGN FTR91.59
CL SIGN FTR
93.94
LP TOB
90.67
FL
90.60
FL
91.10
TOC
91.02
TOC
91.12
TOC
91.19
EOC
91.36
EOC
91.50
EOC
91.55
EOC
91.43
EOC
91.51
EOC
91.51
EOC
91.31
EOC
91.26
EOC
91.37
EOC
91.42
TOC
92.89
TOC
92.93
TOC91.37
TOC
91.28
TOC
91.20
TOC
91.34
EOC
91.27
EOC
91.20
EOC
91.14
EOC
91.05
EOC
91.11
EOC
91.31
EOC
91.34
EOC
91.25
EOC
91.08
EOC
90.92
EOC
90.71
EOC
93.01
LP TOB
90.66
CURBSTOP
90.32
FL 89.68
FL
89.53
FL
89.33
FL
89.13
FL
89.50
EOC
89.81
EOC
89.96
EOC
90.08
EOC
89.90
EOC 89.45
FL
89.75
FL
90.02
FL
90.48
FL
90.95
FL91.10
GND
92.97
EOC
90.96
FL
91.00
FL
91.07
FL
92.94
EOC
91.58
EOC
91.52
EOC
91.53
EOC 91.06
FL
91.04
FL
90.95
FL
90.57
FL
90.08
FL
89.86
FL
89.22
FL
90.15
GND90.56
EOC
90.62
EOC
90.77
EOC
90.72
EOC
90.76
EOC92.95
EOC
92.97
EOC
93.02
EOC
93.02
TOC
92.98
TOC
90.12
TOC
90.24
FL
90.24
FL
90.23
TOC
90.14
FL
90.16
FL
90.50
FL
90.61
FL
90.67
FL
91.09
TOC
90.97
TOC
90.47
FL
90.51
FL
90.45
FL
90.76
TOC
90.69
TOC
90.65
TOC
90.81
TOC
87.73
ST MH -2.95 INV N -2.45 INV W -3.05 INVS E & S
90.70
ST MH -3.65 INV N -3.85 INV S
89.84
CO
90.68
ST VAULT RIM CANT REMOVE LID
91.53
RD CO
91.45
RD CO
89.23
RD BEND POINT
91.31
RD
91.15
RD
90.02
RD
89.14
ST MH RIM
87.85
ST MH RIM
89.41
ST MH RIM
89.26
ST MH RIM
88.52
TRENCH DRAIN
88.61
TRENCH DRAIN
88.71
TOC
88.71
TOC
88.67
TOC
90.14
EOC
90.02
EOC
90.56
CO
90.95
EOC
86.78
TOP PIPE AT CONNECT 24IN
86.76
TOP PIPE AT CONNECT 24IN
90.91
CL TOP WALL
90.88
CL TOP WALL
90.91
CL TOP WALL
90.87
CL TOP WALL
92.52
EOC
92.44
EOC
88.73
TOC
88.92
TOC
89.09
TOC
88.46
TOC
87.95
TOC
88.08
TOC
88.56
TOC
88.44
TOC
88.15
TOC
87.74
TOC
88.06
TOC
88.97
TOC
91.05
TOC
87.94
TRSH ENC TOC
88.03
TRSH ENC TOC
88.23
TRSH ENC TOC
88.40
TRSH ENC TOC
88.20
FL
88.74
FL
87.63
FL
87.49
FL
87.48
FL
87.32
FL
87.04
FL
90.38
EOC
89.34
ST MH RIM
89.29
ST MH RIM
89.83
FL
87.53
EXIST ST RIM
92.19
RD 88.30
INV W
89.20
ST MH RIM
87.62
FL
87.75
FL 87.77
FL
87.44
FL
87.23
FL
87.22
EOC
86.91
EOC
86.83
EOC
86.73
EOC
86.79
EOC
86.98
EOC
87.43
EOC
88.06
EOC
89.44
EOC
90.70
TOA
89.37
TOA
88.30
TOA
87.68
TOA
87.19
TOA
86.80
TOA
86.40
TOA
86.04
TOA
85.98
TOA 85.93
FL INLET
85.96
FL INLET86.07
TOA
86.53
TOA
86.98
TOA
87.21
TOA
87.57
TOA
87.52
EX SS MH
87.47
EOA
87.50
EOA
87.42
EOA
87.05
EOA
86.87
EOA
86.40
EOA
86.61
EOA
86.95
EOA
87.53
EOA
87.94
EOA
88.53
EOA
88.98
EOA
89.40
EOA
90.23
EOA
90.64
EOA
92.63
GND
92.36
GND
92.66
GND
92.92
GND
92.77
GND
92.77
GND
92.06
GND
91.81
GND
91.86
GND
91.40
GND
91.18
GND
91.45
GND
90.95
GND
90.69
GND
90.82
GND
90.17
GND
90.02
GND 89.71
GND
89.44
GND
89.48
GND
88.79
GND
88.77
GND
88.39
GND
88.42
GND
89.29
CL RIBBON CURB
88.78
CL RIBBON CURB
91.54
CL RIBBON CURB
92.13
CL RIBBON CURB
92.87
CL RIBBON CURB
88.33
GND
87.85
FL
87.83
FL
88.28
FL
88.20
FL 88.20
FL
88.20
FL
88.19
FL
88.26
FL88.18
FL
87.99
TOC
88.19
EOC
87.88
EOC
88.02
EOC
88.09
EOC
87.81
EOC
87.54
EOC
87.55
EOC
87.73
EOC
87.51
TOC
87.49
ST MH
87.56
TOC
95.13
BCR
102.62
BCR
91.20
EOC
91.34
EOC
91.57
EOC
91.62
EOC
96.72
FF
92.97
EOC
92.87
EOC
92.71
EOC
92.94
EOC
92.86
EOC
93.00
EOC
92.92
EOC
93.04
EOC
92.94
EOC
92.79
EOC
92.74
EOC
92.52
EOC
92.23
EOC
91.87
RD -3.0 INV S
84.36
INV W
89.85
CO
84.58
INV E
91.23
INV W -2.58
89.46
FL
89.25
FL
88.88
FL
88.76
FL
88.73
FL
89.13
FL
89.39
FL
89.91
88.11
VAULT PORT RIM
89.14
ST MH RIM
87.85
ST MH RIM
87.95
VAULT PORT RIM
87.89
VAULT PORT RIM
87.79
VAULT PORT RIM
87.67
VAULT PORT RIM
87.57
VAULT PORT RIM
89.41
ST MH RIM
89.26
ST MH RIM
90.14
90.02
86.76
TOP PIPE AT CONNECT 24IN
88.73
TOC
88.92
TOC
89.09
TOC
88.46
TOC
87.95
TOC
87.94
TRSH ENC TOC
88.03
TRSH ENC TOC
88.20
FL
87.63
FL
87.49
FL
87.48
FL
87.32
FL
89.34
ST MH RIM
89.29
ST MH RIM
89.20
ST MH RIM
87.51
ST MH RIM
87.51
ST MH RIM
87.53
ST MH RIM
87.63
ST MH RIM
87.76
ST MH RIM
83.86
INV S
84.44
INV W
84.58
INV N
82.91
BOTT
82.19
BOTT
84.35
INV N
84.39
INV W
84.43
INV E84.20
INV S
84.29
INV W
84.21
INV N82.12
BOTT
82.21
BOTT
84.39
INV E
84.23
INV S
84.30
INV W
84.24
INV N
84.32
INV W
84.27
INV S
82.17
BOTT
87.62
FL
87.75
FL
87.77
FL
87.44
FL
82.20
BOTT
84.19
INV N
84.33
INV E
84.26
INV S
84.22
INV S
84.27
INV E
84.12
INV N
87.85
FL
87.83
FL
87.73
EOC
88.97
VAULT PORT RIM
89.01
VAULT PORT RIM
89.06
VAULT PORT RIM
89.13
VAULT PORT RIM
89.15
VAULT PORT RIM
89.23
VAULT PORT RIM
84.58
INV E
ALPINE BANK SITE AS-BUILT
LOCATED IN THE NORTHWEST QUARTER OF SECTION 24, TOWNSHIP 7 NORTH, RANGE 69 WEST OF THE 6TH PRINCIPAL
MERIDIAN, CITY OF FORT COLLINS, COUNTY OF LARIMER, STATE OF COLORADO
4025 Automation Way, Suite C4
Fort Collins, CO 80525
970-232-9645
www.WashburnSurveying.com
Sheet 1 of 1 Project #: 2021-0076 Date: March 14, 2023 Scale: 1"=15' Drawn: CDB
NOTE
ELEVATIONS SHOWN HEREON ARE FROM AN AS-BUILT SURVEY OF THE SITE PERFORMED ON
NOVEMBER 16TH, DECEMBER 1ST , 2022 AND JANUARY 13, 2023
Sc
a
l
e
:
1
"
=
1
5
'
STORM VAULT DETAIL
SCALE: 1"=5'