HomeMy WebLinkAboutPlans - Utility Plan - 08/20/2025S
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VICINITY MAP
BENCHMARK
PROJECT DATUM: NAVD88
BENCHMARK: CITY OF FORT COLLINS BM 'VIRATA”- 2” ALUMINUM CAP
STAMPED “CITY OF FORT COLLINS BENCHMARK VRATA” FOUND AT THE
NORTHWEST CORNER OF COLLEGE AVE., AND HORSETOOTH ROAD ON THE
BACK OF WALK AT THE EAST END OF THE PARAPET WALL OF THE BRIDGE
OVER CANAL NO. 2.
ELEVATION: 5034.31
PLEASE NOTE: THIS PLAN SET IS USING NAVD88 FOR A VERTICAL
DATUM. SURROUNDING DEVELOPMENTS HAVE USED NGVD29
UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS DATUM) FOR
THEIR VERTICAL DATUMS.
IF NGVD29 UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS
DATUM) IS REQUIRED FOR ANY PURPOSE, THE FOLLOWING EQUATION
SHOULD BE USED: NGVD29 UNADJUSTED DATUM (PRIOR CITY OF
FORT COLLINS DATUM) = NAVD88 DATUM 5031.12’.
VOA SWITCHGRASS
UTILITY PLANS
LOT 2, CREGER PLAZA, THIRD REPLAT
CITY OF FORT COLLINS, COUNTY OF LARIMER, STATE OF COLORADO
AUGUST 20, 2025
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CONSTRUCTION DOCUMENTS
COVER SHEET
C1.0
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24046_CD COVER & NOTES
REF PLAN
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CONTACT LIST
SURVEYOR
ENGINEERING SERVICE COMPANY
JUSTIN CONNOR, PLS
14190 E EVANS AVENUE
AURORA, CO 80014
CIVIL ENGINEER
SHOPWORKS ARCHITECTURE
TED SWAN, PE
301 W. 45TH AVE
DENVER, CO 80216
ARCHITECT
SHOPWORKS ARCHITECTURE
ED PARCELL, AIA
301 W. 45TH AVE
DENVER, CO 80216
LANDSCAPE ARCHITECT
RIPLEY DESIGN, INC
RUSS LEE, PLA
419 CANYON AVENUE, SUITE 200
FORT COLLINS, CO 80521
OWNER/DEVELOPER
VOLUNTEERS OF AMERICA
DOUG SNYDER
2660 LARIMER ST
DENVER, CO 80205
GENERAL NOTES
1. ALL WORK AND MATERIALS SHALL CONFORM TO THE CURRENT
LARIMER COUNTY URBAN AREA STANDARDS.
2. ONSITE GRADING AND PAVING SHALL CONFORM TO THE GEOTECH
REPORT. ANY DISCREPANCIES SHALL BE BROUGHT TO THE ATTENTION
OF THE ENGINEER OF RECORD.
3. ALL EXISTING IMPROVEMENTS (INCLUDING PAVING, UTILITIES, ETC)
AND ELEVATIONS SHALL BE VERIFIED PRIOR TO THE START OF
CONSTRUCTION. ANY DISCREPANCIES SHALL BE BROUGHT TO THE
ATTENTION OF THE ENGINEER OF RECORD.
4. CONTRACTOR RESPONSIBLE FOR OBTAINING ALL PROJECT PERMITS
ASSOCIATED WITH CONSTRUCTION
5. CONTRACTOR SHALL MAINTAIN AT LEAST ONE PRINTED COPY OF THE
APPROVED PLANS, SPECIFICATIONS AND STANDARDS ON THE JOB SITE
AT ALL TIMES.
6. CONTRACTOR IS RESPONSIBLE FOR BEING AWARE OF, NOTIFYING,
COORDINATING AND SCHEDULING ALL INSPECTIONS REQUIRED FOR
FINAL APPROVALS AND PROJECT ACCEPTANCE.
7. PRIOR TO FINAL ACCEPTANCE, ALL DISTURBED PORTIONS OF
ROADWAY ROW SHALL BE CLEANED UP AND RESTORED TO THEIR
ORIGINAL CONDITION, SUBJECT TO CITY AND COUNTY APPROVAL.
8. CONTRACTOR IS RESPONSIBLE FOR PROVIDING AND MAINTAINING
ADEQUATE TRAFFIC CONTROL THROUGHOUT THE PROJECT, INCLUDING
PROPER TRAFFIC CONTROL DEVICES AND/OR PERSONNEL AS REQUIRED.
AFFIRMATION STATEMENT
I hereby affirm that these final construction plans were
prepared under my direct supervision, in accordance with
all applicable City of Fort Collins and State of Colorado
standards and statutes, respectively; and that I am fully
responsible for the accuracy of all design, revisions, and
record conditions that I have noted on these plans.
____________________________________________
THEODORE SWAN, PE 43903
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SHEET INDEX
SHEET #
C1.0 COVER SHEET 1
C1.1 NOTES SHEET 2
C1.2 CONSTRUCTION NOTES SHEET 3
C1.3 EROSION CONTROL NOTES SHEET 4
C2.0 DEMO AND INITIAL EROSION CONTROL 5
C2.1 INTERIM EROSION CONTROL 6
C2.2 FINAL EROSION CONTROL 7
C2.3 EROSION CONTROL DETAILS 8
C3.0 HORIZONTAL CONTROL PLAN 9
C4.0 GRADING PLAN 10
C5.0 UTILITY PLAN 11
C6.0 STORM PLAN AND PROFILE 12
C6.1 STORM PLAN AND PROFILE 13
C7.0 EXTENDED DETENTION VAULT PLAN 14
C7.1 EXTENDED DETENTION VAULT DETAILS 15
C7.2 EXTENDED DETENTION VAULT DETAILS 16
C8.0 CONSTRUCTION DETAILS 17
C8.1 CONSTRUCTION DETAILS 18
DR1 DRAINAGE PLAN 19
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NOTES SHEET
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24046_CD COVER & NOTES
REF PLAN
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GENERAL NOTES
1. All materials, workmanship, and construction of public improvements shall meet or
exceed the standards and specifications set forth in the Larimer County Urban Area
Street Standards and applicable state and federal regulations. Where there is conflict
between these plans and the specifications, or any applicable standards, the most
restrictive standard shall apply. All work shall be inspected and approved by the Local
Entity.
2. All references to any published standards shall refer to the latest revision of said
standard, unless specifically stated otherwise.
3. These public improvement construction plans shall be valid for a period of three years
from the date of approval by the Local Entity Engineer. Use of these plans after the
expiration date will require a new review and approval process by the Local Entity prior
to commencement of any work shown in these plans.
4. The engineer who has prepared these plans, by execution and/or seal hereof, does
hereby affirm responsibility to the Local Entity, as beneficiary of said engineer’s work,
for any errors and omissions contained in these plans, and approval of these plans by the
Local Entity Engineer shall not relieve the engineer who has prepared these plans of all
such responsibility. Further, to the extent permitted by law, the engineer hereby agrees
to hold harmless and indemnify the Local Entity, and its officers and employees, from and
against all liabilities, claims, and demands which may arise from any errors and
omissions contained in these plans.
5. All sanitary sewer, storm sewer, and water line construction, as well as power and
other “dry” utility installations, shall conform to the Local Entity standards and
specifications current at the date of approval of the plans by the Local Entity Engineer.
6. The type, size, location and number of all known underground utilities are
approximate when shown on the drawings. It shall be the responsibility of the Developer
to verify the existence and location of all underground utilities along the route of the
work before commencing new construction. The Developer shall be responsible for
unknown underground utilities.
7. The Engineer shall contact the Utility Notification Center of Colorado (UNCC) at 1-
800-922-1987, at least 2 working days prior to beginning excavation or grading, to have
all registered utility locations marked. Other unregistered utility entities (i.e. ditch /
irrigation company) are to be located by contacting the respective representative. Utility
service laterals are also to be located prior to beginning excavation or grading. It shall be
the responsibility of the Developer to relocate all existing utilities that conflict with the
proposed improvements shown on these plans.
8. The Developer shall be responsible for protecting all utilities during construction and
for coordinating with the appropriate utility company for any utility crossings required.
9. If a conflict exists between existing and proposed utilities and/or a design
modification is required, the Developer shall coordinate with the engineer to modify the
design. Design modification(s) must be approved by the Local Entity prior to beginning
construction.
10. The Developer shall coordinate and cooperate with the Local Entity, and all utility
companies involved, to assure that the work is accomplished in a timely fashion and with
a minimum disruption of service. The Developer shall be responsible for contacting, in
advance, all parties affected by any disruption of any utility service as well as the utility
companies.
11. No work may commence within any public storm water, sanitary sewer or potable
water system until the Developer notifies the utility provider. Notification shall be a
minimum of 2 working days prior to commencement of any work. At the discretion of the
water utility provider, a pre-construction meeting may be required prior to
commencement of any work.
12. The Developer shall sequence installation of utilities in such a manner as to minimize
potential utility conflicts. In general, storm sewer and sanitary sewer should be
constructed prior to installation of the water lines and dry utilities.
13. The minimum cover over water lines is 4.5 feet and the maximum cover is 5.5 feet
unless otherwise noted in the plans and approved by the Water Utility.
14. A State Construction Dewatering Wastewater Discharge Permit is required if
dewatering is required in order to install utilities or water is discharged into a storm
sewer, channel, irrigation ditch or any waters of the United States.
15. The Developer shall comply with all terms and conditions of the Colorado Permit for
Storm Water Discharge (Contact Colorado Department of Health, Water Quality Control
Division, (303) 692-3590), the Storm Water Management Plan, and the Erosion Control
Plan.
16. The Local Entity shall not be responsible for the maintenance of storm drainage
facilities located on private property. Maintenance of onsite drainage facilities shall be
the responsibility of the property owner(s).
17. Prior to final inspection and acceptance by the Local Entity, certification of the
drainage facilities, by a registered engineer, must be submitted to and approved by the
Stormwater Utility Department. Certification shall be submitted to the Stormwater Utility
Department at least two weeks prior to the release of a certificate of occupancy for single
family units. For commercial properties, certification shall be submitted to the
Stormwater Utility Department at least two weeks prior to the release of any building
permits in excess of those allowed prior to certification per the Development Agreement.
18. The Local Entity shall not be responsible for any damages or injuries sustained in this
Development as a result of groundwater seepage, whether resulting from groundwater
flooding, structural damage or other damage unless such damage or injuries are
sustained as a result of the Local Entity failure to properly maintain its water,
wastewater, and/or storm drainage facilities in the development.
19. All recommendations of the final drainage and erosion control study (name of the
study and date) by (Engineering Firm) shall be followed and implemented.
20. Temporary erosion control during construction shall be provided as shown on the
Erosion Control Plan. All erosion control measures shall be maintained in good repair by
the Developer, until such time as the entire disturbed areas is stabilized with hard surface
or landscaping.
21. The Developer shall be responsible for insuring that no mud or debris shall be tracked
onto the existing public street system. Mud and debris must be removed within 24 hours
by an appropriate mechanical method (i.e. machine broom sweep, light duty front-end
loader, etc.) or as approved by the Local Entity street inspector.
22. No work may commence within any improved or unimproved public Right-of-Way
until a Right-of-Way Permit or Development Construction Permit is obtained, if
applicable.
23. The Developer shall be responsible for obtaining all necessary permits for all
applicable agencies prior to commencement of construction. The Developer shall notify
the Local Entity Engineering Inspector (Fort Collins - 221-6605) and the Local Entity
Erosion Control Inspector (Fort Collins – 221-6700) at least 2 working days prior to the
start of any earth disturbing activity, or construction on any and all public improvements.
If the Local Entity Engineer is not available after proper notice of construction activity
has been provided, the Developer may commence work in the Engineer absence.
However, the Local Entity reserves the right not to accept the improvement if subsequent
testing reveals an improper installation.
24. The Developer shall be responsible for obtaining soils tests within the Public
Right of-Way after right of way grading and all utility trench work is complete and prior
to the placement of curb, gutter, sidewalk and pavement. If the final soils/pavement
design report does not correspond with the results of the original geotechnical report,
the Developer shall be responsible for a re-design of the subject pavement section or, the
Developer may use the Local Entity’s default pavement thickness section(s). Regardless
of the option used, all final soils/pavement design reports shall be prepared by a licensed
Professional Engineer. The final report shall be submitted to the Inspector a minimum of
10 working days prior to placement of base and asphalt. Placement of curb, gutter,
sidewalk, base and asphalt shall not occur until the Local Entity Engineer approves the
final report.
25. The contractor shall hire a licensed engineer or land surveyor to survey the
constructed elevations of the street subgrade and the gutter flowline at all intersections,
inlets, and other locations requested by the Local Entity inspector. The engineer or
surveyor must certify in a letter to the Local Entity that these elevations conform to the
approved plans and specifications. Any deviations shall be noted in the letter and then
resolved with the Lo26. All utility installations within or across the roadbed of new
residential roads must be completed prior to the final stages of road construction. For
the purposes of these standards, any work except c/g above the subgrade is considered
final stage work. All service lines must be stubbed to the property lines and marked so as
to reduce the excavation necessary for building connections.
27. Portions of Larimer County are within overlay districts. The Larimer County
FloodPlain Resolution should be referred to for additional criteria for roads within these
districts.
28. All road construction in areas designated as Wild Fire Hazard Areas shall be done in
accordance with the construction criteria as established in the Wild Fire Hazard Area
Mitigation Regulations in force at the time of final plat approval.
29. Prior to the commencement of any construction, the contractor shall contact the
Local Entity Forester to schedule a site inspection for any tree removal requiring a permit.
30. The Developer shall be responsible for all aspects of safety including, but not limited
to, excavation, trenching, shoring, traffic control, and security. Refer to OSHA
Publication 2226, Excavating and Trenching.
31. The Developer shall submit a Construction Traffic Control Plan, in accordance with
MUTCD, to the appropriate Right-of-Way authority. (Local Entity, County or State), for
approval, prior to any construction activities within, or affecting, the Right-of-Way. The
Developer shall be responsible for providing any and all traffic control devices as may be
required by the construction activities.
32. Prior to the commencement of any construction that will affect traffic signs of any
type, the contractor shall contact Local Entity Traffic Operations Department, who will
temporarily remove or relocate the sign at no cost to the contractor; however, if the
contractor moves the traffic sign then the contractor will be charged for the labor,
materials and equipment to reinstall the sign as needed.
33. The Developer is responsible for all costs for the initial installation of traffic signing
and striping for the Development related to the Development’s local street operations. In
addition, the Developer is responsible for all costs for traffic signing and striping related
to directing traffic access to and from the Development.
34. There shall be no site construction activities on Saturdays, unless specifically
approved by the Local Entity Engineer, and no site construction activities on Sundays or
holidays, unless there is prior written approval by the Local Entity.
35. The Developer is responsible for providing all labor and materials necessary for the
completion of the intended improvements, shown on these drawings, or designated to
be provided, installed, or constructed, unless specifically noted otherwise.
36. Dimensions for layout and construction are not to be scaled from any drawing. If
pertinent dimensions are not shown, contact the Designer for clarification, and annotate
the dimension on the as-built record drawings.
37. The Developer shall have, onsite at all times, one (1) signed copy of the approved
plans, one (1) copy of the appropriate standards and specifications, and a copy of any
permits and extension agreements needed for the job.
cal Entity before installation of base course or asphalt will be
allowed on the streets.
38. If, during the construction process, conditions are encountered which could indicate a
situation that is not identified in the plans or specifications, the Developer shall contact
the Designer and the Local Entity Engineer immediately.
39. The Developer shall be responsible for recording as-built information on a set of
record drawings kept on the construction site, and available to the Local Entity’s
Inspector at all times. Upon completion of the work, the contractor(s) shall submit record
drawings to the Local Entity Engineer.
40. The Designer shall provide, in this location on the plan, the location and description
of the nearest survey benchmarks (2) for the project as well as the basis of bearings. The
information shall be as follows:
BENCHMARK:
ELEVATION:
PLEASE NOTE: THIS PLAN SET IS USING NAVD88 FOR A VERTICAL
DATUM. SURROUNDING DEVELOPMENTS HAVE USED NGVD29
UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS DATUM) FOR
THEIR VERTICAL DATUMS.
IF NGVD29 UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS
DATUM) IS REQUIRED FOR ANY PURPOSE, THE FOLLOWING EQUATION
SHOULD BE USED: NGVD29 UNADJUSTED DATUM (PRIOR CITY OF
FORT COLLINS DATUM) = NAVD88 DATUM X.XX’.
41. All stationing is based on centerline/flowline (insert proper word) of roadways
unless otherwise noted.
42. Damaged curb, gutter and sidewalk existing prior to construction, as well as existing
fences, trees, streets, sidewalks, curbs and gutters, landscaping, structures, and
improvements destroyed, damaged or removed due to construction of this project, shall
be replaced or restored in like kind at the Developer’s expense, unless otherwise
indicated on these plans, prior to the acceptance of completed improvements and/or
prior to the issuance of the first Certificate of Occupancy.
43. When an existing asphalt street must be cut, the street must be restored to a
condition equal to or better than its original condition. The existing street condition shall
be documented by the Local Entity Construction Inspector before any cuts are made.
Patching shall be done in accordance with the Local Entity Street Repair Standards. The
finished patch shall blend in smoothly into the existing surface. All large patches shall be
paved with an asphalt lay-down machine. In streets where more than one cut is made, an
overlay of the entire street width, including the patched area, may be required. The
determination of need for a complete overlay shall be made by the Local Entity Engineer
and/or the Local Entity Inspector at the time the cuts are made.
44. Upon completion of construction, the site shall be cleaned and restored to a
condition equal to, or better than, that which existed before construction, or to the
grades and condition as required by these plans.
45. Standard Handicap ramps are to be constructed at all curb returns and at all “T”
intersections.
46. After acceptance by the Local Entity, public improvements depicted in these plans
shall be guaranteed to be free from material and workmanship defects for a minimum
period of two years from the date of acceptance.
47. The Local Entity shall not be responsible for the maintenance of roadway and
appurtenant improvements, including storm drainage structures and pipes, for the
following private streets: (list).
48. Approved Variances are listed as follows: (Plan set must have a list of all applicable
variances for the project).
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CONSTRUCTION
NOTES SHEET
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24046_CD COVER & NOTES
REF PLAN
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STREET IMPROVEMENT NOTES
1. All street construction is subject to the General Notes on the cover sheet of
these plans as well as the Street Improvements Notes listed here.
2. A paving section design, signed and stamped by a Colorado licensed
Engineer, must be submitted to the Local Entity Engineer for approval,
prior to any street construction activity, (full depth asphalt sections are not
permitted at a depth greater than 8 inches of asphalt). The job mix shall be
submitted for approval prior to placement of any asphalt.
3. Where proposed paving adjoins existing asphalt, the existing asphalt shall
be saw cut, a minimum distance of 12 inches from the existing edge, to
create a clean construction joint. The Developer shall be required to
remove existing pavement to a distance where a clean construction joint
can be made. Wheel cuts shall not be allowed unless approved by the
Local Entity Engineer in Loveland.
4. Street subgrades shall be scarified the top 12 inches and re-compacted
prior to subbase installation. No base material shall be laid until the
subgrade has been inspected and approved by the Local Entity Engineer.
5. Ft. Collins only. Valve boxes and manholes are to be brought up to grade
at the time of pavement placement or overlay. Valve box adjusting rings
are not allowed.
6. When an existing asphalt street must be cut, the street must be restored to
a condition equal to or better than its original condition. The existing street
condition shall be documented by the Inspector before any cuts are made.
Cutting and patching shall be done in conformance with Chapter 25,
Reconstruction and Repair. The finished patch shall blend smoothly into
the existing surface. The determination of need for a complete overlay
shall be made by the Local Entity Engineer. All overlay work shall be
coordinated with adjacent landowners such that future projects do not cut
the new asphalt overlay work.
7. All traffic control devices shall be in conformance with these plans or as
otherwise specified in M.U.T.C.D. (including Colorado supplement) and
as per the Right-of-Way Work Permit traffic control plan.
8. The Developer is required to perform a gutter water flow test in the
presence of the Local Entity Inspector and prior to installation of asphalt.
Gutters that hold more than ¼ inch deep or 5 feet longitudinally, of water,
shall be completely removed and reconstructed to drain properly.
9. Prior to placement of H.B.P. or concrete within the street and after
moisture/density tests have been taken on the subgrade material (when a
full depth section is proposed) or on the subgrade and base material (when
a composite section is proposed), a mechanical "proof roll" will be
required. The entire subgrade and/or base material shall be rolled with a
heavily loaded vehicle having a total GVW of not less than 50,000 lbs.
and a single axle weight of at least 18,000 lbs. with pneumatic tires
inflated to not less that 90 p.s.i.g. “Proof roll” vehicles shall not travel at
speeds greater than 3 m.p.h. Any portion of the subgrade or base material
which exhibits excessive pumping or deformation, as determined by the
Local Entity Engineer, shall be reworked, replaced or otherwise modified
to form a smooth, non-yielding surface. The Local Entity Engineer shall
be notified at least 24 hours prior to the “proof roll.” All “proof rolls” shall
be preformed in the presence of an Inspector.
10. Loveland only. 2-inch PVC conduit (with 3’ min. cover) shall be provided
along arterial roadways with pull boxes at 500’ spacing or deflection
points for future traffic signal interconnect.
TRAFFIC SIGNING AND PAVEMENT MARKING NOTES
1. All signage and marking is subject to the General Notes on the cover sheet
of these plans, as well as the Traffic Signing and Marking Construction
Notes listed here.
2. All symbols, including arrows, ONLYS, crosswalks, stop bars, etc. shall
be pre-formed thermo-plastic.
3. All signage shall be per Local Entity Standards and these plans or as
otherwise specified in MUTCD.
4. All lane lines for asphalt pavement shall receive two coats of latex paint
with glass beads.
5. All lane lines shall be latex paint.
6. Prior to permanent installation of traffic striping and symbols, the
Developer shall place temporary tabs or tape depicting alignment and
placement of the same. Their placement shall be approved by the Local
Entity Engineer prior to permanent installation of striping and symbols.
7. Pre-formed thermo-plastic applications shall be as specified in these Plans
and/or these Standards.
8. Latex paint applications shall be applied as specified in CDOT Standard
Specifications for Road and Bridge Construction.
9. All surfaces shall be thoroughly cleaned prior to installation of striping or
markings.
10. All sign posts shall utilize break-away assemblies and fasteners per the
Standards.
11. A field inspection of location and installation of all signs shall be
performed by the Local Entity Engineer. All discrepancies identified
during the field inspection must be corrected before the 2-year warranty
period will begin.
12. The Developer installing signs shall be responsible for locating and
protecting all underground utilities.
13. Special care shall be taken in sign location to ensure an unobstructed view
of each sign.
14. Signage and striping has been determined by information available at the
time of review. Prior to initiation of the warranty period, the Local Entity
Engineer reserves the right to require additional signage and/or striping if
the Local Entity Engineer determines that an unforeseen condition
warrants such signage according to the MUTCD or the CDOT M and S
Standards. All signage and striping shall fall under the requirements of the
2-year warranty period for new construction (except fair wear on traffic
markings).
15. Sleeves for sign posts shall be required for use in islands/medians. Refer
to Chapter 14, Traffic Control Devices, for additional detail.
16. Contractor is responsible for removing all anchors, posts, signs and/or
delineators in Construction area. Contractor may keep the signs, or call
the City Traffic Division to have them removed.
17. No “Reset” anchors, posts, signs, and/or delineators will be accepted.
18. All anchors, posts, signs, and/or delineators shall be new and be consistent
with the LCUASS criteria.
STORM DRAINAGE NOTES
1. The City of Fort Collins shall not be responsible for the maintenance of
storm drainage facilities located on private property. Maintenance of
onsite drainage facilities shall be the responsibility of the property
owner(s).
2. All recommendations of the final drainage and erosion control study
(name of the study and date) by (Engineering Firm) shall be followed
and implemented.
3. Prior to final inspection and acceptance by The City of Fort Collins,
certification of the drainage facilities, by a registered engineer, must by
submitted to and approved by the Stormwater Utility Department.
Certification shall be submitted to the Stormwater Utility Department at
least two weeks prior to the release of a certificate of occupancy for single
family units. For commercial properties, certification shall by submitted
to the Stormwater Utility Department at least two weeks prior to the
release of any building permits in excess of those allowed prior to
certification per the Development Agreement.
4. See City of Fort Collins Stormwater Criteria Manual – Appendix F
Construction Control Measures Standard Notes and Standard Erosion
Control Notes.
WATERLINE NOTE
1. The minimum cover over water lines is 4.5 feet and the maximum cover is
5.5 feet unless otherwise noted in the plans and approved by the Water
Utility.
38
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FIRE
HYDRANT
LOT 2 MORELAND
SUBDIVISION
(PLAT - REC. NO. 91030712)
OWNER: D AND M
AUTOMOTIVE
LOT 1 CREGER 3RD REPLAT
(PLAT - REC. NO.
20190044858)
OWNER: MASON PLACE LLLP
LOT 1 PLAT OF MASON STREET PUD
(PLAT - REC. NO. 520208)
OWNER: RCA MASON LLC
EXISTING DRIVEWAY
APPROACH, SIDEWALK
AND CROSSPAN
TO REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
MATCH EXISTING
GRADE AT PROPERTY
LINE
SSA
LOC
LOC
LOC
LOC
LOC
LOC
LOC
RS
RS
IPS
VTC
IPS
EXISTING ELECTRIC
AND LIGHTING TO BE
REMOVED IN SITE
BOUNDARIES
EXISTING ASPHALT
AND STRIPING TO BE
REMOVED IN SITE
BOUNDARIES
EXISTING TREES TO BE
REMOVED IN SITE
BOUNDARIES
EXISTING STAIRS
TO BE REMOVED
EXISTING STAIRS
TO BE REMOVED
EXISTING TREES TO BE
REMOVED IN SITE
BOUNDARIES
EXISTING STORM INLET
TO BE CAPPED WITH
CONCRETE LID AND BURIED
EXISTING STORM INLET
TO BE CAPPED WITH
CONCRETE LID AND BURIED
EXISTING ATTACHED
WALKWAY TO BE
REMOVED WHERE
INDICATED EXISTING CURB ISLANDS
TO BE REMOVED IN SITE
BOUNDARIES
FIBER OPTIC VAULT
TO BE RELOCATED
AS REQUIRED FOR
NEW SIDEWALK
EXISTING
WALKWAY TO BE
REMOVED WHERE
INDICATED
EXISTING TREES
TO REMAIN
EXISTING TREE
TO REMAIN
REMOVE EXISTING DRIVEWAY
APPROACH, SIDEWALK
AND CROSSPAN
Pl
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PROJECT #:
DRAWN:
REV:
SCALE:
NO.
SHEET TITLE:
REVIEWED:
DATE:
FILE:
12345
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CONSTRUCTION DOCUMENTS
DEMO AND INITIAL
EROSION CONTROL
C2.0
TS
24046
08/08/2025
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24046_Erosion Control-Initial
REF PLAN
----2
3
N
40'0
SCALE: 1" = 20'
20'
SWMP PLAN LEGEND
BOUNDARY LINE
EXISTING CURB AND GUTTER
EXISTING STORM LINE
EXISTING STORM MANHOLE
EXISTING STORM INLET
EXISTING MINOR CONTOUR
EXISTING MAJOR CONTOUR
PROPOSED CURB AND GUTTER
PROPOSED SIDEWALK
PROPOSED STORM LINE
PROPOSED STORM MANHOLE
PROPOSED STORM INLET
PROPOSED MINOR CONTOUR
PROPOSED MAJOR CONTOUR
LIMITS OF CONSTRUCTION
FLOW ARROW
SEDIMENT TRAP
REINFORCED SILT FENCE
SILT FENCE
STABILIZED STAGING AREA
VEHICLE TRACKING CONTROL
INLET PROTECTION (SUMP)
ROCK SOCKS
DIVERSION DITCH
TEMPORARY SEDIMENT BASIN
SOIL STOCKPILE
CHECK DAM
5281
5280
5281
5280
ST
ST
SF
SSA
VTC
IPS
RS
DD
TSB
SP
LOC
CD
ST
SFR
38
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5
NOTES
1.THE CONTRACTOR SHALL NOTIFY THE ENGINEER OF ANY DISCREPANCIES WITH THE PROPOSED ELEVATIONS SHOWN ON THE
GRADING PLAN. THE ENGINEER WILL NOT BE LIABLE FOR ANY COSTS ASSOCIATED WITH CHANGES TO THE DESIGN WITHOUT
PROPER NOTIFICATION.
2.EXISTING UTILITIES STRUCTURES TO BE ADJUSTED AS NECESSARY TO MEET PROPOSED GRADE.
3.BENCHMARK:
PROJECT DATUM: NAVD88
BENCHMARK: CITY OF FORT COLLINS BM 'VIRATA”- 2” ALUMINUM CAP STAMPED “CITY OF FORT COLLINS BENCHMARK VRATA”
FOUND AT THE NORTHWEST CORNER OF COLLEGE AVE., AND HORSETOOTH ROAD ON THE BACK OF WALK AT THE EAST END OF THE
PARAPET WALL OF THE BRIDGE OVER CANAL NO. 2.
ELEVATION: 5034.31
PLEASE NOTE: THIS PLAN SET IS USING NAVD88 FOR A VERTICAL DATUM. SURROUNDING DEVELOPMENTS HAVE USED NGVD29
UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS DATUM) FOR THEIR VERTICAL DATUMS. IF NGVD29 UNADJUSTED DATUM (PRIOR
CITY OF FORT COLLINS DATUM) IS REQUIRED FOR ANY PURPOSE, THE FOLLOWING EQUATION SHOULD BE USED: NGVD29
UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS DATUM) = NAVD88 DATUM 5031.12’.
TABLE OF CALCULATIONS
TOTAL AREA OF DISTURBANCE 1.53 AC
TOTAL ONSITE AREA OF DISTURBANCE 1.40 AC
TOTAL OFFSITE AREA OF DISTURBANCE 0.13 AC
TOTAL STORAGE/STAGING AREAS NOT 0 AC
INCORPORATED IN ONSITE/OFFSITE AREAS
TOTAL AREA OF NEW OR IMPROVED HAUL ROADS(OFFSITE)0 AC
HEAVY CONSTRUCTION VEHICLE TRAFFIC AREAS OFFSITE
APPROXIMATE PERCENT OF THE PROJECT THAT WILL BE
DISTURBED AT ANY ONE TIME
ESTIMATED PRE-EXISTING PERCENT VEGETATIVE DENSITY 10.4%
OR PERCENT VEGETATIVE COVER BEFORE DISTURBANCE
EXISTING SOIL TYPE CLAY AND SAND (TYPE C HYD GROUP)
DEPTH TO GROUNDWATER 8' AVG DEPTH
NUMBER OF PHASES ASSOCIATED WITH A PROJECT 1
TOTAL VOLUME OF MATERIAL IMPORTED TO OR EXPORTED 3254 CU YDS IMPORT
FROM THE PROJECT
TOTAL AREA OF OFFSITE STOCKPILING OF FILL FROM THE 0 AC
PROJECT OR BORROW FROM STRIPPING THE OFFSITE AREA
STEEPEST SLOPE
DISTANCE FROM A RIPARIAN AREA OR SENSITIVE AREA N/A
5038
50
3
8
50385038
503
9
503
9
50
3
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50
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4
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50
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9
50
4
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50
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W
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W
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ST
ST
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ST
ST
ST
ST
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30
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FIRE
HYDRANT
LOT 2 MORELAND
SUBDIVISION
(PLAT - REC. NO. 91030712)
OWNER: D AND M
AUTOMOTIVE
LOT 1 CREGER 3RD REPLAT
(PLAT - REC. NO.
20190044858)
OWNER: MASON PLACE LLLP
LOT 1 PLAT OF MASON STREET PUD
(PLAT - REC. NO. 520208)
OWNER: RCA MASON LLC
ST
ST
ST
ST ST STSTSTEXISTING PIPE (TYP)
50
3
9
503
9
5039
EXISTING DRIVEWAY
APPROACH, SIDEWALK
AND CROSSPAN
TO REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
MATCH EXISTING
GRADE AT PROPERTY
LINE
SS
SS
SSSS
BUILDING EXCAVATION AREA
CD
CD
DD
240 LF
DD
85 LF
DD
65 LF
DD
35 LF
LOC
LOC
LOC
LOC
LOC
LOC
LOC
RS
RS
SSA
VTC
IPS
5037
5038
50
3
8
5038
5040
5038
5039
50415041
50
3
8
50
3
9
50
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503
9
50
4
1
50
4
2
TSB
TSB
CWA
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PROJECT #:
DRAWN:
REV:
SCALE:
NO.
SHEET TITLE:
REVIEWED:
DATE:
FILE:
12345
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12345
TS
CONSTRUCTION DOCUMENTS
INTERIM EROSION
CONTROL PLAN
C2.1
TS
24046
08/08/2025
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24046_Erosion Control-Interim
REF PLAN
----2
3
N
40'0
SCALE: 1" = 20'
20'
SWMP PLAN LEGEND
BOUNDARY LINE
EXISTING CURB AND GUTTER
EXISTING STORM LINE
EXISTING STORM MANHOLE
EXISTING STORM INLET
EXISTING MINOR CONTOUR
EXISTING MAJOR CONTOUR
PROPOSED CURB AND GUTTER
PROPOSED SIDEWALK
PROPOSED STORM LINE
PROPOSED STORM MANHOLE
PROPOSED STORM INLET
PROPOSED MINOR CONTOUR
PROPOSED MAJOR CONTOUR
LIMITS OF CONSTRUCTION
FLOW ARROW
STABILIZED STAGING AREA
VEHICLE TRACKING CONTROL
INLET PROTECTION (SUMP)
ROCK SOCKS
DIVERSION DITCH
TEMPORARY SEDIMENT BASIN
SEEDING AND MULCHING
CHECK DAM
CONCRETE WASHOUT AREA
5281
5280
5281
5280
ST
ST
SSA
VTC
IPS
RS
DD
TSB
SM
LOC
CD
NOTES
1.THE CONTRACTOR SHALL NOTIFY THE ENGINEER OF ANY DISCREPANCIES WITH THE PROPOSED ELEVATIONS SHOWN ON THE
GRADING PLAN. THE ENGINEER WILL NOT BE LIABLE FOR ANY COSTS ASSOCIATED WITH CHANGES TO THE DESIGN WITHOUT
PROPER NOTIFICATION.
2.EXISTING UTILITIES STRUCTURES TO BE ADJUSTED AS NECESSARY TO MEET PROPOSED GRADE.
3.BENCHMARK:
PROJECT DATUM: NAVD88
BENCHMARK: CITY OF FORT COLLINS BM 'VIRATA”- 2” ALUMINUM CAP STAMPED “CITY OF FORT COLLINS BENCHMARK VRATA”
FOUND AT THE NORTHWEST CORNER OF COLLEGE AVE., AND HORSETOOTH ROAD ON THE BACK OF WALK AT THE EAST END OF THE
PARAPET WALL OF THE BRIDGE OVER CANAL NO. 2.
ELEVATION: 5034.31
PLEASE NOTE: THIS PLAN SET IS USING NAVD88 FOR A VERTICAL DATUM. SURROUNDING DEVELOPMENTS HAVE USED NGVD29
UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS DATUM) FOR THEIR VERTICAL DATUMS.
IF NGVD29 UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS DATUM) IS REQUIRED FOR ANY PURPOSE, THE FOLLOWING EQUATION
SHOULD BE USED: NGVD29 UNADJUSTED DATUM (PRIOR CITY OF
FORT COLLINS DATUM) = NAVD88 DATUM 5031.12’.
CWA
5038
50
3
8
50385038
503
9
503
9
50
3
9
50
3
9
50
4
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50
3
8
50
3
9
50
4
0
50
3
8
50
3
9
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B
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FO
FO
FO
FO
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FO
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FO
FO
FO
FO
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FO
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W
W
W
W
W
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W
W
W
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W
W
W
W
W
W
W
W
SANITARY MH
RIM=5038.02
8" PVC INV S=5032.52
10" PVC INV N=5032.32
SANITARY MH
RIM=5039.00
10" PVC INV S=5031.85
10" PVC INV N=5031.70
STORM INLET
TOG=5036.90
12" PVC INV N=5035.10
12" PVC INV W=5035.10
STORM MH
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
STSTST ST ST
STORM MH
RIM=5038.87
15" RCP INV E=5035.02
18" RCP INV S=5034.17
18" RCP INV NE=5034.17
ST
STORM MH
RIM=5038.85
18" RCP INV S=5034.45
12" RCP INV W=5034.65
18" RCP INV N=5034.45
STORM INLET
TOG=5035.93
15" RCP INV W=5034.45
TOG=5040.38
6" PVC INV W=5038.15
ST ST ST ST ST ST ST ST ST ST
UTILITY CABINET
TRANSFORMER
GENERATOR
UTILITY
VAULT
UTILITY
VAULT
UTILITY
VAULT
ST
ST
ST
SS
SS
UP
FD
VAN
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WWW
WWW
WWW
WW
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30
'
R
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-
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A
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)
MAIN ENTRY
10' TREE LAWN
FIRE
HYDRANT
LOT 2 MORELAND
SUBDIVISION
(PLAT - REC. NO. 91030712)
OWNER: D AND M
AUTOMOTIVE
LOT 1 CREGER 3RD REPLAT
(PLAT - REC. NO.
20190044858)
OWNER: MASON PLACE LLLP
LOT 1 PLAT OF MASON STREET PUD
(PLAT - REC. NO. 520208)
OWNER: RCA MASON LLC
ST
ST
ST
ST ST STSTSTEXISTING PIPE (TYP)
4' CONCRETE PAN
50
3
9
503
9
5039
6' ATTACHED CONCRETE
SIDEWALK PER
LARIMER COUNTY
STANDARD DWG 1602
6' CONCRETE
SIDEWALK PER
LARIMER COUNTY
STANDARD DWG 1602
EXISTING DRIVEWAY
APPROACH, SIDEWALK
AND CROSSPAN
TO REMAIN
COURTYARD
(RE LANDSCAPE)
EXISTING
CURB AND
GUTTER TO
REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
MATCH EXISTING
GRADE AT PROPERTY
LINE
5037
50
3
7
5038
50
3
8
5038
5039
50
3
8
50
3
9
5040
5038
5039
50415041
50
4
0
50
3
9
50
4
1
SSA
VTC
TSB
SM SM
SM
SM
SM
CWA
SM
SM
SM
BUILDING FFE:
5039.50
BUILDING FFE:
5039.50
ST
ST
ST
ST
Pl
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A
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-
C
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Pr
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:
8/
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3
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2
0
2
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1
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0
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Fi
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DRAWN:
REV:
SCALE:
NO.
SHEET TITLE:
REVIEWED:
DATE:
FILE:
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CONSTRUCTION DOCUMENTS
FINAL EROSION
CONTROL PLAN
C2.2
TS
24046
08/08/2025
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24046_Erosion Control-Final
REF PLAN
----2
3
N
40'0
SCALE: 1" = 20'
20'
NOTES
1.THE CONTRACTOR SHALL NOTIFY THE ENGINEER OF ANY DISCREPANCIES WITH THE PROPOSED ELEVATIONS SHOWN ON THE
GRADING PLAN. THE ENGINEER WILL NOT BE LIABLE FOR ANY COSTS ASSOCIATED WITH CHANGES TO THE DESIGN WITHOUT
PROPER NOTIFICATION.
2.EXISTING UTILITIES STRUCTURES TO BE ADJUSTED AS NECESSARY TO MEET PROPOSED GRADE.
3.BENCHMARK:
PROJECT DATUM: NAVD88
BENCHMARK: CITY OF FORT COLLINS BM 'VIRATA”- 2” ALUMINUM CAP STAMPED “CITY OF FORT COLLINS BENCHMARK VRATA”
FOUND AT THE NORTHWEST CORNER OF COLLEGE AVE., AND HORSETOOTH ROAD ON THE BACK OF WALK AT THE EAST END OF THE
PARAPET WALL OF THE BRIDGE OVER CANAL NO. 2.
ELEVATION: 5034.31
PLEASE NOTE: THIS PLAN SET IS USING NAVD88 FOR A VERTICAL DATUM. SURROUNDING DEVELOPMENTS HAVE USED NGVD29
UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS DATUM) FOR THEIR VERTICAL DATUMS.
IF NGVD29 UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS DATUM) IS REQUIRED FOR ANY PURPOSE, THE FOLLOWING EQUATION
SHOULD BE USED: NGVD29 UNADJUSTED DATUM (PRIOR CITY OF
FORT COLLINS DATUM) = NAVD88 DATUM 5031.12’.
SWMP PLAN LEGEND
BOUNDARY LINE
EXISTING CURB AND GUTTER
EXISTING STORM LINE
EXISTING STORM MANHOLE
EXISTING STORM INLET
EXISTING MINOR CONTOUR
EXISTING MAJOR CONTOUR
PROPOSED CURB AND GUTTER
PROPOSED SIDEWALK
PROPOSED STORM LINE
PROPOSED STORM MANHOLE
PROPOSED STORM INLET
PROPOSED MINOR CONTOUR
PROPOSED MAJOR CONTOUR
LIMITS OF CONSTRUCTION
FLOW ARROW
STABILIZED STAGING AREA
VEHICLE TRACKING CONTROL
INLET PROTECTION (SUMP)
ROCK SOCKS
DIVERSION DITCH
TEMPORARY SEDIMENT BASIN
SEEDING AND MULCHING
CHECK DAM
CONCRETE WASHOUT AREA
5281
5280
5281
5280
ST
ST
SSA
VTC
IPS
RS
DD
TSB
SM
LOC
CD
CWA
38
0
0
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PROJECT #:
DRAWN:
REV:
SCALE:
NO.
SHEET TITLE:
REVIEWED:
DATE:
FILE:
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CONSTRUCTION DOCUMENTS
EROSION CONTROL
DETAILS
C2.3
TS
24046
08/08/2025
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ST
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----
--------
FO
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C
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,
C
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80
5
2
5
Va
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u
e
24046_Erosion Control Details
REF PLAN
----2
3
BBBBB
B B B
B
B
B
B
B
ST
ST
ST
SS
SS
AA
2 3 4 5 6
BB
CC
EE
II
KK
DD
JJ
HH
1
GG
A1A1
FF
4.1
UP
FD
VAN
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SO
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S
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(M
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T
E
R
I
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30
'
R
I
G
H
T
-
O
F
-
W
A
Y
)
BUILDING
GRID LINE J-5
N 1,438,414.18
E 3,117,833.40
MAIN ENTRY
6
ACCESSIBLE
PARKING SIGN
BIKE RACKS (TYP)
(SEE LANDSCAPE
FOR DETAILS)
10' TREE LAWN
6' CONCRETE
SIDEWALK PER
LARIMER COUNTY
STANDARD DWG 1602
EXISTING FIRE
HYDRANT
DETECTABLE WARNING
(TRUNCATED DOMES)
EXTENDED DETENTION VAULT
(DETENTION AND WATER
QUALITY)
GRID LINE B-3
N 1,438,306.43
E 3,117,786.07
LOT 2 MORELAND
SUBDIVISION
(PLAT - REC. NO. 91030712)
OWNER: D AND M
AUTOMOTIVE
LOT 1 CREGER 3RD REPLAT
(PLAT - REC. NO.
20190044858)
OWNER: MASON PLACE LLLP
LOT 1 PLAT OF MASON STREET PUD
(PLAT - REC. NO. 520208)
OWNER: RCA MASON LLC
8
5
7
12
5
3
FDC
6' ATTACHED CONCRETE
SIDEWALK PER
LARIMER COUNTY
STANDARD DWG 1602
112" DOMESTIC
WATER METER VAULT
FIRE HYDRANT
STOP SIGN
COURTYARD
(RE LANDSCAPE)
ZERO HEIGHT CURB
ZERO HEIGHT CURB
ZERO HEIGHT CURB
ZERO HEIGHT CURB
ZERO HEIGHT CURB
VAN ACCESSIBLE
PARKING SIGN
EV STALL
EV STALL
LOADING STALL
4' CONCRETE PAN
ADA RAMP PER
LARIMER COUNTY
URBAN AREA DWG 1606
STANDARD DRIVEWAY
APPROACH AND CROSSPAN
PER LARIMER COUNTY
URBAN AREA DWG 706.2 & 708
WATER ENTRY
ROOM
TRANSITION FROM 6" TO
ZERO HEIGHT CURB
15'
ACCESSIBLE
PARKING STALL (TYP)
DOG
PARK
TRASH PICKUP
LOCATION
TRASH ROOM
INDOOR
BIKE
PARKING
EXISTING DRIVEWAY
APPROACH
AND CROSSPAN
TO REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
26' EXISTING
FIRE LANE
EASEMENT
1
1
2
2
2
1
ELECTRIC
TRANSFORMER
PARKING STALLS TO BE
LEASED BY NEIGHBORING
PROPERTY
3/4" IRRIGATION
METER VAULT
EXISTING STOP SIGN
TO REMAIN
INSTALL DECTECTABLE
WARNING STRIP IN SIDEWALK
INSTALL DECTECTABLE
WARNING STRIP IN SIDEWALK
7' SIDEWALKEASEMENT
EXISTING FIRE LANE
SIGN TO BE RELOCATED
EXISTING FIRE LANE SIGN
TO REMAIN
FIRE LANE
SIGN PER DETAIL
(THIS SHEET)
FIRE LANE
SIGN PER DETAIL
(THIS SHEET)
Pl
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:
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:
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0
2
5
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:
24
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6
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SITE PLAN LEGEND
PROPERTY LINE
EXISTING CURB AND GUTTER
EXISTING FIRE HYDRANT
PROPOSED FENCE
PROPOSED CURB AND GUTTER
PROPOSED SPILL GUTTER
PROPOSED SIDEWALK
(PUBLIC 6" DEPTH, PRIVATE 4" DEPTH,, 7" TRASH PICKUP LOCATION)
PROPOSED ASPHALT & SAWCUT
(4" HMA, 6" ABC)
PROPOSED FIRE HYDRANT
PROPOSED TRANSFORMER
PROPOSED SITE LIGHTING
PROPOSED SIGNAGE
PROPOSED ADA ACCESSIBLE ROUTE
PROPOSED TREE LOCATION
NUMBER OF PARKING STALLS
T
SIGHT TRIANGLE NOTES
1 - AASHTO SIGHT TRIANGLE - NO OBSTRUCTIONS OVER 24" PERMITTED
WITHIN THE SIGHT TRIANGLE. BASED ON 4.04.2.10.1.01
2 - PEDESTRIAN SIGHT TRIANGLE - 10' LEG ON WALKWAY AND
DRIVEWAY NO OBSTRUCTIONS OVER 30" THAT ARE WIDER THAN 18"
ARE PERMITTED WITHIN THIS TRIANGLE
#
SITE PLAN NOTES
1.CONTRACTOR TO VERIFY EXISTING CONDITIONS AND NOTIFY THE
ENGINEER OF ANY DISCREPANCIES PRIOR TO CONSTRUCTION.
2.ALL DIMENSIONS FROM FLOWLINE AND OUTSIDE BUILDING FACE
UNLESS OTHERWISE NOTED
3.ALL ADA ACCESSIBLE RAMPS TO INCLUDE DETECTABLE
WARNING PADS.
4.CONTRACTOR SHALL REMOVE AND REPLACE DAMAGED CURB,
GUTTER, PAVING, AND LANDSCAPED AREAS OUTSIDE THE LIMITS
OF SITE AND RESTORE BACK TO ITS ORIGINAL CONDITION.
5.ALL ENTRANCES ARE PRIVATE UNLESS OTHERWISE NOTED.
6.ADDITIONAL ROADWAY IMPROVEMENTS MAY BE REQUIRED
PENDING TIS UPDATES.
7.SITE SURFACE SHOULD BE SCARIFIED TO A DEPTH OF AT LEAST
8 INCHES. FILL MATERIAL TO BE PLACED IN 8" LOOSE LIFTS,
MOISTURE CONDITIONED AND COMPACTED TO A DRY DENSITY
OF AT LEAST 95% OF STANDARD PROCTOR MAXIMUM DRY
DENSITY
8.BENCHMARK:
PROJECT DATUM: NAVD88
BENCHMARK: CITY OF FORT COLLINS BM 'VIRATA”- 2” ALUMINUM CAP
STAMPED “CITY OF FORT COLLINS BENCHMARK VRATA” FOUND
AT THE NORTHWEST CORNER OF COLLEGE AVE., AND HORSETOOTH
ROAD ON THE BACK OF WALK AT THE EAST END OF THE PARAPET
WALL OF THE BRIDGE OVER CANAL NO. 2.
ELEVATION: 5034.31
PLEASE NOTE: THIS PLAN SET IS USING NAVD88 FOR A VERTICAL
DATUM. SURROUNDING DEVELOPMENTS HAVE USED NGVD29
UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS DATUM) FOR
THEIR VERTICAL DATUMS.
IF NGVD29 UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS
DATUM) IS REQUIRED FOR ANY PURPOSE, THE FOLLOWING EQUATION
SHOULD BE USED: NGVD29 UNADJUSTED DATUM (PRIOR CITY OF
FORT COLLINS DATUM) = NAVD88 DATUM 5031.12’.
N
40'0
SCALE: 1" = 20'
20'
1
PROJECT #:
DRAWN:
REV:
SCALE:
NO.
SHEET TITLE:
REVIEWED:
DATE:
FILE:
12345
A
B
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A
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C
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12345
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CONSTRUCTION DOCUMENTS
HORIZONTAL
CONTROL PLAN
C3.0
TS
24046
08/08/2025
SW
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24046_Site Plan
REF PLAN
----2
3
38
0
0
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2
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R3-5R
30"x36"
5038
50
3
8
50385038
503
9
503
9
50
3
9
50
3
9
50
4
0
50
3
8
50
3
9
50
4
0
50
3
8
50
3
9
BBBBB
B B B
B
B
B
B
B
SSSS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
E
EE
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
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E
E
E
E
E
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E E E
E
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E E E E E E E E
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO FO FO FO FO FO FO
FO
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
SANITARY MH
RIM=5038.02
8" PVC INV S=5032.52
10" PVC INV N=5032.32
SANITARY MH
RIM=5039.00
10" PVC INV S=5031.85
10" PVC INV N=5031.70
STORM INLET
TOG=5036.90
12" PVC INV N=5035.10
12" PVC INV W=5035.10
STORM MH
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
STSTST ST ST
STORM MH
RIM=5038.87
15" RCP INV E=5035.02
18" RCP INV S=5034.17
18" RCP INV NE=5034.17
ST
STORM MH
RIM=5038.85
18" RCP INV S=5034.45
12" RCP INV W=5034.65
18" RCP INV N=5034.45
STORM INLET
TOG=5035.93
15" RCP INV W=5034.45
TOG=5040.38
6" PVC INV W=5038.15
ST ST ST ST ST ST ST ST ST ST
UTILITY CABINET
TRANSFORMER
GENERATOR
UTILITY
VAULT
UTILITY
VAULT
UTILITY
VAULT
ST
ST
ST
SS
SS
UP
FD
VAN
T
WWW
WWW
WWW
WW
SO
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M
A
S
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S
T
R
E
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T
(M
A
J
O
R
A
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T
E
R
I
A
L
30
'
R
I
G
H
T
-
O
F
-
W
A
Y
)
MAIN ENTRY
10' TREE LAWN
FIRE
HYDRANT
DETECTABLE WARNING
(TRUNCATED DOMES)
LOT 2 MORELAND
SUBDIVISION
(PLAT - REC. NO. 91030712)
OWNER: D AND M
AUTOMOTIVE
LOT 1 CREGER 3RD REPLAT
(PLAT - REC. NO.
20190044858)
OWNER: MASON PLACE LLLP
LOT 1 PLAT OF MASON STREET PUD
(PLAT - REC. NO. 520208)
OWNER: RCA MASON LLC
ACCESSIBLE
PARKING STALL (TYP)
ST
ST
ST
STMH-A03
4' STORM MANHOLESTINLET-A04
TYPE 16 COMBO INLET
ST ST STSTSTEXISTING PIPE (TYP)
ZERO HEIGHT CURB
ZERO HEIGHT CURB
ZERO HEIGHT CURB
ZERO HEIGHT CURB
ZERO HEIGHT CURB
4' CONCRETE PAN
TRANSITION FROM 6" TO
ZERO HEIGHT CURB
15'
50
3
9
503
9
5039
503
8
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503
7
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503
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7
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8
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503
9
.
2
8
503
9
.
2
6
503
8
.
6
5
503
8
.
6
5
EXTENDED DETENTION VAULT
(DETENTION AND WATER QUALITY)
SEE EDB PLANS FOR DETAILS
6' ATTACHED CONCRETE
SIDEWALK PER
LARIMER COUNTY
STANDARD DWG 1602
6' CONCRETE
SIDEWALK PER
LARIMER COUNTY
STANDARD DWG 1602
ADA RAMP PER
LARIMER COUNTY
URBAN AREA DWG 1606
STANDARD DRIVEWAY
APPROACH AND CROSSPAN
PER LARIMER COUNTY
URBAN AREA DWG 706.2 & 708
503
8
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2
2
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503
8
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2
5
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503
8
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7
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ME
503
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503
9
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ME
503
8
.
9
9
M
E
EXISTING DRIVEWAY
APPROACH, SIDEWALK
AND CROSSPAN
TO REMAIN
BUILDING FFE:
5039.50
BUILDING FFE:
5039.50
503
8
.
9
3
503
8
.
5
8
COURTYARD
(RE LANDSCAPE)
503
8
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8
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503
8
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503
8
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503
7
.
5
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EXISTING
CURB AND
GUTTER TO
REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
EXISTING
CURB AND
GUTTER TO
REMAIN
503
8
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3
0
503
8
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2
2
503
8
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9
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503
8
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0.
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0.
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0.
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0.
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%
ACCESSIBLE
PARKING SIGN
0.8%0.5%503
7
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7
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503
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2
3
1.4%
503
8
.
2
5
503
8
.
3
4
1.5%
503
8
.
3
0
503
8
.
3
9
1.5%
503
8
.
5
7
503
8
.
6
6
1.5%
503
8
.
6
9
503
8
.
7
8
1.5%
503
8
.
9
0
503
8
.
9
5
0.8%
503
8
.
9
6
M
E
2.0%
2.0%
0.5%
503
8
.
8
1
503
8
.
8
6
1.0%1.0%
MATCH EXISTING
GRADE AT PROPERTY
LINE
TRASH PICKUP
LOCATION
1.4%
1.4%
1.4%
4.0%
503
7
.
7
9
1.6%
503
7
.
9
3
503
8
.
0
0
503
7
.
8
6
2.3%
2.
8
%
2.3
%
1.3%
1.
4
%
1.
4
%
1.
4
%
1.
4
%
3.
9
%
503
8
.
3
2
503
8
.
5
9
503
9
.
2
1
503
8
.
8
3
503
9
.
0
5
503
9
.
5
0
1.
4
%
503
9
.
0
5
503
9
.
1
0
503
9
.
5
0
5.4%
4.6%
503
9
.
5
0
4.9%
2.6%
503
9
.
3
8
503
9
.
4
8
503
8
.
8
3
503
9
.
5
0
503
9
.
5
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503
8
.
8
3
503
9
.
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503
9
.
4
1
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9
.
5
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503
9
.
5
0
503
9
.
5
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503
8
.
8
3
503
8
.
8
3
503
8
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5
5
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9
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1
1
503
9
.
5
0
503
9
.
5
0
503
9
.
5
0
503
9
.
5
0
FOUNDATION CURB
CONDITION
FOUNDATION CURB
CONDITION
FOUNDATION CURB
CONDITION
FOUNDATION CURB
CONDITION
1.6%
1.3%
4"
S
L
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T
T
E
D
P
V
C
P
I
P
E
U
N
D
E
R
D
R
A
I
N
1.6%
503
8
.
8
6
503
9
.
5
0
ST0.5%
0.5%
1.
0
%
ST
ST
ST
503
7
.
3
0
503
7
.
5
0
503
7
.
3
3
503
7
.
4
4
503
7
.
7
8
503
7
.
8
6
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CONSTRUCTION DOCUMENTS
GRADING PLAN
C4.0
TS
24046
08/08/2025
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24046_Grading Plan
REF PLAN
----2
3
N
40'0
SCALE: 1" = 20'
20'
GRADING PLAN LEGEND
PROPERTY BOUNDARY
EXISTING WATER LINE
EXISTING FIRE HYDRANT
EXISTING SEWER LINE
EXISTING SEWER MANHOLE
EXISTING STORM LINE
EXISTING STORM MANHOLE
EXISTING STORM INLET
EXISTING FIBER LINE
EXISTING GAS LINE
EXISTING ELECTRIC LINE
EXISTING MINOR CONTOUR
EXISTING MAJOR CONTOUR
PROPOSED FIRE HYDRANT
PROPOSED STORM LINE
PROPOSED STORM MANHOLE
PROPOSED STORM INLET
PROPOSED MINOR CONTOUR
PROPOSED MAJOR CONTOUR
PROPOSED SPOT ELEVATION
PROPOSED SLOPE
PROPOSED CONCRETE SIDEWALK
PROPOSED ASPHALT ROAD
PROPOSED ADA ACCESSIBLE ROUTE
W
FO
G
E
5281
5280
5281
5280
SS
SS
ST
ST
5887.19
0.5%
NOTES
1.ALL ENTRANCES ARE PRIVATE UNLESS OTHERWISE NOTED.
2.SIDEWALKS AND LANDINGS SHALL SLOPE 1.5% TOWARDS ROADS, DRIVE LANES UNLESS NOTED OTHERWISE.
3.THE CONTRACTOR SHALL NOTIFY THE ENGINEER OF ANY DISCREPANCIES WITH THE PROPOSED ELEVATIONS SHOWN ON THE
GRADING PLAN. THE ENGINEER WILL NOT BE LIABLE FOR ANY COSTS ASSOCIATED WITH CHANGES TO THE DESIGN WITHOUT
PROPER NOTIFICATION.
4.THE MAXIMUM SLOPE WITHIN ROW IS 4:1, THE MAXIMUM SLOPE FOR PROPERTY OUTSIDE OF THE ROW IS 3:1.
5.THE SLOPE AWAY FROM THE BUILDING WITHIN LANDSCAPED AREAS SHALL BE NO LESS THAN 5% FOR THE FIRST 10'
6.THE RESULTANT GRADE IN ANY DIRECTION WITHIN ACCESSIBLE PARKING AREAS SHALL NOT EXCEED TWO PERCENT.
7.THE MAXIMUM CROSS SLOPE IN AN ACCESSIBLE PATH SHALL NOT EXCEED TWO PERCENT. THE MAXIMUM LONGITUDINAL SLOPE
IN AN ACCESSIBLE PATH SHALL NOT EXCEED FIVE PERCENT.
8.EXISTING UTILITIES STRUCTURES TO BE ADJUSTED AS NECESSARY TO MEET PROPOSED GRADE.
9.ALL STORM SEWER IS PRIVATE AND WILL BE MAINTAINED BY OWNER UNLESS OTHERWISE NOTED.
10.BENCHMARK:
PROJECT DATUM: NAVD88
BENCHMARK: CITY OF FORT COLLINS BM 'VIRATA”- 2” ALUMINUM CAP STAMPED “CITY OF FORT COLLINS BENCHMARK VRATA”
FOUND AT THE NORTHWEST CORNER OF COLLEGE AVE., AND HORSETOOTH ROAD ON THE BACK OF WALK AT THE EAST END OF THE
PARAPET WALL OF THE BRIDGE OVER CANAL NO. 2.
ELEVATION: 5034.31
PLEASE NOTE: THIS PLAN SET IS USING NAVD88 FOR A VERTICAL DATUM. SURROUNDING DEVELOPMENTS HAVE USED NGVD29
UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS DATUM) FOR THEIR VERTICAL DATUMS.
IF NGVD29 UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS DATUM) IS REQUIRED FOR ANY PURPOSE, THE FOLLOWING EQUATION
SHOULD BE USED: NGVD29 UNADJUSTED DATUM (PRIOR CITY OF
FORT COLLINS DATUM) = NAVD88 DATUM 5031.12’.
38
0
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5038
5038
E
E
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E
E
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E
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E
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E
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FO
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FO
FO
FO
FO
FO
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FO
FO
FO
FO
ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST
WW
STSTST
ZERO HEIGHT CURB
503
7
.
6
2
503
8
.
1
1
503
7
.
2
7
503
7
.
2
4
503
7
.
6
4
503
7
.
7
3
503
8
.
5
8
503
7
.
8
3
503
7
.
9
7
503
8
.
1
4
503
8
.
4
3
0.8%0.5%
503
8
.
4
7
503
8
.
1
6
503
7
.
5
1
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7
.
7
2
2.
8
%
1.3%
3.
9
%
503
8
.
3
2
503
8
.
8
3
EXTENDED DETENTION VAULT (EDB-A)
(DETENTION AND WATER QUALITY )
60" ARCH CULVERT
TOTAL VOLUME = 9,400 CU FT
503
7
.
9
0
EMERGENCY
OVERFLOW
SPILLWAY
ELEV 5037.90
WSEL 5038.10
503
7
.
7
3
503
7
.
4
2
503
7
.
8
3
503
7
.
0
7
ST
ST
ST
100-YR WSEL = 5037.00'
WQCV WSEL = 5031.07'
WQCV RESTRICTOR
PLATE LENGTH 27.5"
(SEE DETAIL THIS SHEET)
PROPOSED GRADE
28" MIN GROUND COVER
60" ARCH CULVERT
83.63'
100-YR RESTRICTER PLATE
(SEE DETAIL THIS SHEET)
OUTFALL 12" RCP
PIPE INV OUT: 5028.80
4" UNDERDRAIN @ 0.2% SLOPE
INV AT OUTLET STRUCTURE:
50XX.XX'
INV = 5028.8
PERIMETER STONE
(SEE VAULT DETAIL SHEET)
WQCV ORIFICE 3/4" DIA
@ 12" VERT SPACING
INV 5029.0
18" MIN ROCK COVER
PROPOSED
ACCESS MANHOLE
73.20'
12" MIN ROCK COVER
4.80" HEIGHT
ABOVE PIPE INVERT
12.00" HDPE
OUTLET PIPE
MH OUTLET
STRUCTURE
MH OUTLET
STRUCTURE
BOTTOM OF CHAMBER = 5030.00'
REFERENCE MAINTENANCE
OPERATION PLAN
(SEE SHEET C7.1 DETAIL)
INSPECTION PORT
(SEE VAULT DETAIL SHEET)
PROPOSED
ACCESS MANHOLE
TOP MANIFOLD
ADS N-12
(SEE SHEET 7.2.1 DETAIL)
BOTTOM MANIFOLD
ADS N-12
(SEE SHEET 7.2.1 DETAIL)
INCOMING HP PIPE
INV IN: 5031.08'
TOP OF
CHAMBER = 5035.75
100-YR
RECTANGULAR
RESTRICTOR PLATE
WQCV RESTRICTOR
PLATE 6" FROM
CENTER OF
MANIFOLD
4" MIN ASPHALT
TOP OF WQCV PLATE: 5031.07'
24" SUMP TO BE PROVIDED
IN DETENTION VAULT ENTRY
MANHOLE
SEE MANUFACTURER DETAILS
AND CONNECTION MATERIALS
ON SHEETS C7.2.0-C7.2.5
SEE MANUFACTURER DETAILS
AND CONNECTION MATERIALS
ON SHEETS C7.2.0-C7.2.5
BOTTOM OF ROCK = 5029.00'
WQCV ORIFICE 3/4" DIA
@ 12" VERT SPACING
INV 5030.0
WQCV ORIFICE 3/4" DIA
@ 12" VERT SPACING
INV 5031.0
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EXTENDED
DETENTION VAULT
PLAN
C7.0
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24046
08/08/2025
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24046_EDB Plans
REF PLAN
----2
3
N
10'0
SCALE: 1" = 5'
5'
POND PLAN LEGEND
EXISTING STORM LINE
EXISTING STORM MANHOLE
EXISTING STORM INLET
EXISTING MINOR CONTOUR
EXISTING MAJOR CONTOUR
PROPOSED STORM LINE
PROPOSED STORM MANHOLE
PROPOSED STORM INLET
PROPOSED MINOR CONTOUR
PROPOSED MAJOR CONTOUR
PROPOSED SPOT ELEVATION
PROPOSED GRADE
GRADE AT THE TOP OF WALL
GRADE AT THE BOTTOM OF WALL
5281
5280
5281
5280
ST
ST
POND PLAN NOTES
1.ALL STORM SHOWN ON PLAN WILL BE PRIVATELY OWNED AND
MAINTAINED
2.LOOSE MATERIAL SHALL BE STORED AWAY FROM DETENTION
VAULT
3.THE CONTRACTOR SHALL PREVENT ANY SEDIMENT, DEBRIS AND
OTHER MATERIAL FROM ENTERING THE DETENTINO VAULT
DURING AND AFTER SYSTEM INSTALLATION.
5887.19
0.5%
EXTENDED DETENTION VAULT
(EDB-A)
GTW
GBW
38
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EXTENDED DETENTION BASIN WATER QUALITY VOLUME TABLE
EDB WQCV(cu ft) WQ Depth (ft) 100 yr Vol (cu ft) 100 yr Depth (ft) 100 yr Outflow (cfs)
A 2390.52 1.83 9345 8.0 4.11
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CONSTRUCTION DOCUMENTS
EXTENDED
DETENTION VAULT
DETAILS
C7.1
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24046
08/08/2025
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24046_EDB Plans
REF PLAN
----2
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CONSTRUCTION DOCUMENTS
EXTENDED
DETENTION VAULT
DETAILS
C7.1
TS
24046
08/08/2025
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24046_EDB Plans
REF PLAN
----2
3
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CONSTRUCTION
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C8.0
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24046_Construction Details
REF PLAN
----2
3
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CONSTRUCTION
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C8.1
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24046_Construction Details
REF PLAN
----2
3
BBBBB
B B B
B
B
B
B
B
SSSS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
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E
EE
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E
E
E
E
E
E
E
E
E
E
E E E
E
E
E E E E E E E E
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO
FO FO FO FO FO FO FO
FO
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
SANITARY MH
RIM=5038.02
8" PVC INV S=5032.52
10" PVC INV N=5032.32
SANITARY MH
RIM=5039.00
10" PVC INV S=5031.85
10" PVC INV N=5031.70
STORM INLET
TOG=5036.90
12" PVC INV N=5035.10
12" PVC INV W=5035.10
STORM MH
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
STSTST ST ST
STORM MH
RIM=5038.87
15" RCP INV E=5035.02
18" RCP INV S=5034.17
18" RCP INV NE=5034.17
ST
STORM MH
RIM=5038.85
18" RCP INV S=5034.45
12" RCP INV W=5034.65
18" RCP INV N=5034.45
STORM INLET
TOG=5035.93
15" RCP INV W=5034.45
TOG=5040.38
6" PVC INV W=5038.15
ST ST ST ST ST ST ST ST ST ST
UTILITY CABINET
TRANSFORMER
GENERATOR
UTILITY
VAULT
UTILITY
VAULT
UTILITY
VAULT
ST
ST
ST
SS
SS
AA
2 3 4 5 6
BB
CC
EE
II
KK
DD
JJ
HH
1
GG
A1A1
FF
4.1
UP
FD
VAN
T
WWW
WWW
WWW
SS SS
WW
0.16
AC
A1
0.08
AC
RA1
1
R1
0.20
AC
RA2
0.93
AC
A2
0.72
0.90
ST
ST
ST
ST ST STSTST
STMH-A03
4' STORM MANHOLESTINLET-A04
TYPE 16 COMBO INLET
12" PVC Pipe
12
"
P
V
C
P
i
p
e
0.81
AC
OSA
R2
0.95
1.00
0.95
1.00
0.82
1.00
0.71
0.89
50
3
8
503850
3
8
503
9
503
9
5038
5038
5039
503
8
504
0
5039
504
1
5038
50
3
9
50
3
9
50
4
0
503
8
50
3
9
50
4
0
50
3
9
50
3
8
50
3
9
50
4
0
50
3
7
503
7
50
3
8
50
3
9
50
4
1
50
4
0
50
3
8
50
3
9
50
4
1
50
4
2
EXTENDED DETENTION VAULT
EDB-A (DETENTION AND WATER QUALITY)
EMERGENCY
OVERFLOW
SPILLWAY
ELEV 5037.00
WSEL 5037.15
4' CONCRETE PAN
OFFSITE STORMWATER
FLOWS
LOT 2 MORELAND
SUBDIVISION
(PLAT - REC. NO. 91030712)
OWNER: D AND M
AUTOMOTIVE
LOT 1 CREGER 3RD REPLAT
(PLAT - REC. NO.
20190044858)
OWNER: MASON PLACE LLLP
LOT 1 PLAT OF MASON STREET PUD
(PLAT - REC. NO. 520208)
OWNER: RCA MASON LLC
OFFSITE STORMWATER
FLOWS
OFFSITE STORMWATER
FLOWS
OFFSITE STORMWATER
FLOWS
OFFSITE STORMWATER
FLOWS
BUILDING FFE:
5039.50
BUILDING FFE:
5039.50
OFFSITE STORMWATER
FLOWS FROM EASTERN
PARKING LOT - ASSUMED
FULL FLOW FOR PIPE
0.83 CFSST
12
"
P
V
C
P
i
p
e
12" PVC Pipe
24" HDPE Pipe
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
2
3
4
STMH-A02
4' STORM MANHOLE
8" PVC Pipe
STINLET-A01
DOUBLE TYPE 16
VALLEY INLET
STINLET-A01.1
24" NYLOPLAST
STORM BASIN
Storm Cleanout
Storm Cleanout
8" BEND
CONNECT TO BLDG CLEANOUT
(RE PLUMBING FOR CONTINUATION)
Storm Cleanout
12
"
P
V
C
P
i
p
e
8" P
V
C
P
i
p
e
8" PVC Pipe
12
"
P
V
C
P
i
p
e
12" PVC Pipe12" PVC Pipe
4"
S
L
O
T
T
E
D
P
V
C
P
I
P
E
Storm Cleanout
8" PVC Pipe
12"X12" TEE W/
12"X8" REDUCER
CONNECT TO BLDG CLEANOUT
(RE PLUMBING FOR CONTINUATION)
STMH-B03
4' MANHOLE VAULT
OUTLET STRUCTURE
12" PVC Pipe
STMH-B02
4' STORM SYPHON
MANHOLE WITH
PERFORATED BASE
STMH-B01
4' STORM MANHOLE
12" PVC Pipe
12"X12" TEE
50
3
9
fi
l
e
p
a
t
h
:
C:
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U
s
e
r
s
\
t
e
d
\
D
C
\
A
C
C
D
o
c
s
\
S
h
o
p
w
o
r
k
s
A
r
c
h
i
t
e
c
t
u
r
e
\
2
4
0
4
6
V
O
A
F
o
r
t
C
o
l
l
i
n
s
M
a
s
o
n
S
t
-
\
P
r
o
j
e
c
t
F
i
l
e
s
\
C
i
v
i
l
\
S
h
e
e
t
s
\
C
o
n
s
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r
u
c
t
i
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2
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6
_
D
r
a
i
n
a
g
e
P
l
a
n
.
d
w
g
N
40'0
SCALE: 1" = 20'
20'
NOTES
1.ALL STORM INFRASTRUCTURE SHOWN IS PRIVATE UNLESS OTHERWISE NOTED AND WILL BE MAINTAINED BY THE
PROPERTY OWNER - VOLUNTEERS OF AMERICA. STORM INFRASTRUCTURE HAS BEEN DESIGNED TO ACCOMMODATE
THE 100 YEAR STORM
2.BENCHMARK:
PROJECT DATUM: NAVD88
BENCHMARK: CITY OF FORT COLLINS BM 'VIRATA”- 2” ALUMINUM CAP STAMPED “CITY OF FORT COLLINS BENCHMARK VRATA” FOUND AT THE
NORTHWEST CORNER OF COLLEGE AVE., AND HORSETOOTH ROAD ON THE BACK OF WALK AT THE EAST END OF THE PARAPET WALL OF THE
BRIDGE OVER CANAL NO. 2.
ELEVATION: 5034.31
PLEASE NOTE: THIS PLAN SET IS USING NAVD88 FOR A VERTICAL
DATUM.SURROUNDING DEVELOPMENTS HAVE USED NGVD29
UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS DATUM) FOR
THEIR VERTICAL DATUMS.
IF NGVD29 UNADJUSTED DATUM (PRIOR CITY OF FORT COLLINS
DATUM)IS REQUIRED FOR ANY PURPOSE, THE FOLLOWING EQUATION
SHOULD BE USED: NGVD29 UNADJUSTED DATUM (PRIOR CITY OF
FORT COLLINS DATUM) = NAVD88 DATUM 5031.12’.
DRAINAGE PLAN LEGEND
BOUNDARY LINE
EXISTING CURB AND GUTTER
EXISTING STORM LINE
EXISTING STORM MANHOLE
EXISTING STORM INLET
EXISTING MINOR CONTOUR
EXISTING MAJOR CONTOUR
PROPOSED CURB AND GUTTER
PROPOSED SIDEWALK
PROPOSED STORM LINE
PROPOSED STORM MANHOLE
PROPOSED STORM INLET
PROPOSED MINOR CONTOUR
PROPOSED MAJOR CONTOUR
PROPOSED RETAINING WALL
BASIN DELINEATION
FLOW ARROW
BASIN LABEL
DESIGN POINT LABEL
5281
5280
5281
5280
ST
ST
XX
XX XX
XX
BASIN ID
AREA
2 YR C-VALUE
XX
EXTENDED DETENTION BASIN WATER QUALITY VOLUME TABLE
EDB WQCV(cu ft) WQ Depth (ft) 100 yr Vol (cu ft) 100 yr Depth (ft) 100 yr Outflow (cfs)
A 2390.52 1.83 9345 8.0 4.11
100 YR
C-VALUE
1
PROJECT #:
DRAWN:
REV:
SCALE:
NO.
SHEET TITLE:
REVIEWED:
DATE:
FILE:
12345
A
B
C
D
A
B
C
D
12345
TS
CONSTRUCTION DOCUMENTS
DRAINAGE PLAN
DR1
TS
24046
08/08/2025
SW
I
T
C
H
G
R
A
S
S
C
R
O
S
S
I
N
G
38
0
0
S
O
U
T
H
M
A
S
O
N
ST
--------
----
--------
FO
R
T
C
O
L
L
I
N
S
,
C
O
8
0
5
2
5
24046_Drainage Plan
REF PLAN
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3