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HomeMy WebLinkAboutSite Certifications - 09/09/2015w L 9 /s COMMERCIAL, MULTI -FAMILY AND SUBDIVISION .CERTIFICATION FORM & CHECKLIST ( Partial Site Drainage) Foothills Mall Redevelopment (Project Name) August 28, 2015 (Date) Block 13A — Permit # B1402938 (For Commercial or Multi -family Please list any applicable buildi Please fill in all applicable items in this Certification Form Overall Single Family sites. A copy of the approved gradir built grading plan. (It is preferred to have the as -built ele approved elevations) 'n' 10 Use "OK" for items checked or actual numbers Fort Collins Multi -Family and submitted with the as- n red next to the in the field. Use "N/A" for items that are not applicable to tFie sitefthat is being certified. Please provide an As -Built Redlined or Mylanldrawing showing the following: A. Detention, Drainage Facilities, and Common jn Spaces 1. Pond Certification — This will be dressed at project completion, does not apply to fix i Block 13A area (see attachme t¢A for area -this document applies) a Provide Topographic Records(gjding certification with as —built spot`elevations) and Volume NA Verification Calculations. Show both the proposed and as -built elevations on the same` -an sheet. and Spot Elevations (especially @ Pond Embankment and Pond NA Positive Fall o P_an (if applicable) NA General Pond Grading including all Side -Slopes NA Invert=Elevation NA Foray Construction and Elevation NA Spillway Weir (Location, Elevation, Height, Opening Width) NA Placement and size of riprap or alternative permanent erosion control measures NA Orifice Plate and/or Water Quality Outlet Structure Installation NA Water Quality Capture Volume (Volume Required, Volume Provided and Water Surface Elevation) NA Berm and Embankment Compaction Level NA Subsurface Media for Water Quality Ponds and Swales C►ty of - Fort Collins 2. Swales -in general compliance for drainage of area, all verifications will be done at completion of project NA Location (are they within easement?) NA Dimension and Cross -Section Verification NA Longitudinal Slopes and Side -Slopes id 7 Encasement and Clearance from other nearby utility lines - Storm is private, all installation was photographed and will be sent to the design engineer for their review. 8 Joints Type and construction - Storm is private, all installation was photographed and will be sent to the design engineer for their review. 2 Cityof-- Fort.Collihs 4. Concrete Pan Channels This will be addressed at project completion, does not apply to Block 13A area (see attachment A for area this document applies) NA Size NA Slope NA Cross Section NA Thickness NA Elevations S. Inlets 1 Size and Type — PER CONSTRUCTION DOCS 6. 2 Size of Opening (or name of Standard Detail used) Neenah 9-4251' Zurn ZS400SS, Neenah R- 4990-DX 3 4 5 41 Grate Elevation — 408-5020.00 (DESIGN), 5019.8 � =6) 430+5020.85 (DESIGN), 5020.77 (A-B) 410A-5021.00 (DESIGN), 5021.05 (A-B) 412 5021.01 (DESIGN); 5021.03 (A-B) 413 5021.51(DESIGN), 5021.64 (A-B) 413B�5021.70 (DESIGN) r5021.67-5021.70 (A-B) Invert Elevation —408 (DESIGN)=N 5014.20, S�5014.45, E 5024.72 408 (A-B)=N 5014.26, S 5014.41, E 5014;51 410 (DESIGN)=N 5015.22, S 5015.22E 5015.48 410 (A-B)=N 5014.97, S 5015.02, E 5015.32 410A (DESIGN)=5017.00 410A (A-B) 5016.95 412 (DESIGN)=N 5015.S5, S 5015.800� 412 (APB)=N 5015.43, S 5015.63, E 5015.66 413 (DESIGN)=N 5015.1999 S 501 99, ESE50 4 403 (A-B)=N 5015.94, S 5016.04, E 5017.14 413B (DESIGN)=N 5017 72 413W(A. ""B) N15017.62 Box Size - NA Cross -Pans This;wilI be addressed at project completion, does not apply to Block tachmefi A for area this document applies) NA Cross -Sectional Depth NA Tie-in to Curb and Gutter 7. Culverts— This will be addressed at project completion, does not apply to Block 13A area (see attachment A for area this document applies) NA Size NA Type 3 Fort Collins NA Invert Elevations S. Sub -Drains 1 Size — 4" perforated pipe in 24" x 12" burrito wrap 2 Type (Perforated/Solid) — Perforated, was observed by Ground Engineering Reports sent to City for their review. 3 Cover — Asphalt/Base —10.5" —11" of asphalt and base above sub drain NA Backfill "V 5 Geo-Textile Liners — Drainage Class 3, was observed by Ground Engineering was compliant. Reports sent to City for their review. NA Clean -Outs NA Size 9. Curb Cuts 1 Size NA 2 Tie-in to Swale, Pipe or other appurtenances — NA #y 10. Common( pen rSpaces -This�will be done at project completion, general compliance in e: `E+6i Block 13A area (see attachmenVA for area this document applies) B. II grading contours of open spaces NA Sip ielevations adjacent to private lots (property corners) 1. Certification of Grade Elevations: — Site not within 100 year flood plain NA Minimum Opening Elevations NA Top of Foundation Elevations NA Comparison to 100-year Water Service Elevations NA Comparison to Freeboard Elevations and Base Floodplain Elevations - BFE 4 Fort Collins. 2. Verification of site grading: • Engineer to evaluate site grading compliance with the approved grading plan. This will be done at project completion, general compliance in Block 13A area (see attachment A for area this document applies) • As -built elevations are to be redlined onto the approved gadil gAplan sheet %��":. 4r showing the as -built spot elevations next to the design spot elevations so compliance can be verified and documented. This will be done at project completion, general compliance in Block 13A area (see attachment A for area this document applies) C. Certification of Erosion Control Measures: 1. Permanent BMP Measures: — Not included'irt this portion of work, will be complet when project is turned over. NA Permanent Vegetation (no more than 6" bare spots and weeds under control) NA Riprap or alternative pens nent rrosionn terial NA Riprap Bedding NA Cut -Off Walls or Channel Drop' Structures Cross -Sections NA SedimenY'Basins yr'9�'.i �i NA, Water qualk ,ponds/Sand Filter/Bio Retention Construction and liners Mats or Blankets NA Mulching and Seeding D. Post -Construction Site Cleanup: 1 Construction Debris Clean -Up (In particular debris affecting the drainage) — General area for Block 13A cleaned (see attachment A for area this document applies) 2 Smoothing of Ruts in all Construction Areas General area for Block 13A smooth (see attachment A for area this document applies) 3 Reseeding of all Areas Affected by Construction Activities (Usually enforced by the City's Erosion Control Inspector but the engineer Certifying the site needs to notify the contractor if areas are not seeded) 5 City of 6rt.Collins Bonded the landscape / Irrigation, will be done at a later date E. Statement of Compliance: This certification is signed and stamped and by signing this form the Engineer(s) attests that they have inspected the site and to the best of their knowledge the as -built conditions of WN the drainage facilities are as described in the above form and in the As -Built plans enclosed. Failure to properly disclose all known information could result in ttiefflejection of`this certification and prevent the release of any and all Stormwater Utility. p rmiV olds o3uilding Permits and/or Certificates of Occupancy within this developmenop t. F. Signature and Stamp by a Colorado Registered Professional Engineer Engineer's contact information: Kenneth W. Curfman (Name) (Email address) (970) 443-7001, ext. 184 (Telephone number) 6 pany Name) pany Address) Longmont, CO 80501 PE STAMP cltyo / �`�� Attachment A GIty of . Fort.Colllns Attachment 6 Under Separate Cover —AS -BUILT EXHIBIT— BLOCK 13A AS -BUILT EXHIBIT - BLOCK 13A A PORTION OF FOOTHILLS REDEVELOPMENT, LOCATED IN THE SOUTHWEST QUARTER OF SECTION 25, TOWNSHIP 7 NORTH, RANGE 69 WEST OF THE 6TH P. M , CITY OF FORT COLLINS, COUNTY OF LARIMER, STATE OF COLORADO SHEET 1 OF 1 Notes 1. THIS EXHIBIT AS PREPARED WITHOUT ME BENEFIT OF A CURRENT TITLE COMMITMENT AND GOES NOT STINTS A TTLE SEARCH BY FLATRONS, INC. TO DETERMINE TITLE OR EASEMENTS RECORD. THIS EXHIBIT DOES NOT PURPORT TO REFLECT ANY OF THE fOLLOWNG ICHMAY BE APPLICABLE TO ME SUBJECT REAL ESTATE: EASEMENTS, OTHER MAN POSSIB EASEMENTS THAT HERE WSIBLE AT ME TIME OF MAKING THIS EXHIBIT; BUILDING SE ACK ONES: RESTRICTIVE COVENANTS; SUBDINSION RESTRICTONS; ZONING OR 2. ACCORDING TO COUCRADO LAW YOU ANY DEFECT IN THIS EXHIBIT CUMIN 3. THIS EXHIBIT AS PREPARED FOR ME EXCLUSIVE USE OF HOSECK. LTD., NAMED IN THE S STATEMENT N REON. SM) STATEMENT DOES NOT EXTEND M ANY UNNAMED PERSON S WTHOUT AN I XPRESS STATEMENT BY THE SURVEYOR NAMING SAID PERSON. PC 4. THIS EXHIBIT 3 VAUD ONLY IF PRINT HAS ORIGINAL SEAL AND SIGNATURE OF SURVEYOR. Ww S. NO UTILITIES . EXCEPT STORM SEWER FEATURES IN THE MCNITY THE OF BUILDING ZE, ARE �. G SHOWN MERE NO RESEARCH HAS BEEN DONE CONCERNING THE EXISTENCE, SIZE, ti u v DEPTH.. TO ON, CAPACITY E LOCATION OF ANY TES.UTILITYP OR EUCONTACT ME IC SERNCE fr FACILITY. F GENCIE& A REGARDING THESE UTNTIEM PLEASE CONTACT THE APPROPRIATE AGENCIES ALL UNDERGROUND PRIM MUST C FIELD LOCATED BY TO DO x APPROPRIATE AGENCY OR UTILITY COMPANY PRION TO ANY EXCAVATION, PURSUANT TO C.R.S SEC. 9 1.5-103, y y 6. ME DISTANCE MEASUREMENTS SHOWN HEREON ARE V.S. SURVEY FOOL C [ 7. BENCHMARK I FORMATION: ELEVATIONS BASED ON BENCHMARK D-322 FROM THE APPROVED C STRUCTON PLANS, WTH A PUBLISHED ELEVARON OF 5031.28 FEET (NGVD29 UNADJUSTED), BEING AN NOS BENCHMARK DISK STAMPED b322 RESET 1971" LOCATED 5.4 KM (135 MI) SOUTH ALONG U.S. HIGHWAY 287 FROM ITS JUNCTION WTH STATE HIGHWAY 14 IN FORT COLLINS. IN ME NORM END OF ME EAST CONCRETE HEADWALL OF AN S-FOOT BY 24-FOOT BOX CULVERT, 6.1 METERS (20.0 FT) EAST OF THE CENTERUNE OF ME NORTH BOUND LANES OF ME HIGHWAY, AND 1.7 METERS (5.6 FT) SCUM OF THE NORTH END OF ME HEADWALL. ME MARK IS ABOVE LEVEL WTH ME HIGHWAY. _ S. DATES OF F161LDWORK: JULY - AUGUST, 201& o. 9. BOUNDARY DETERMINATION IS NOT ATART EF THIS EXHIBIT. MISIS"NOT A "LAND U $ :9 SURVEY PI -AT' OR "IMPROVEMENT SURVEY PLAT" AND THIS EXHIBIT IS NOT INTENDED FOR 1,80 PURPOSES OF TRANSFER OF TITLE OR SUBDIMSIONS OF LAND AND MAT IT IS NOT TO BE g RELIED UPON, FOR ME ESTABLISHMENT OF A FENCE, BUILDING OR OTHER FUTURE � O9R IMPROVEMENT LINES. E w o 10. ME SITE WA� AN ACTIVE CONSTRUCTION SITE AT THE TIME OF FIELDWORK. V i 11. ME HORIZONTAL LOCATIONS AND UNEWORK SHOWN HEREON ARE FROM APPROVED r m m CONSTRUCTION PLANS AND AUTOCAD FILES PROWDED BY CUENT AND DO NOT REPRESENT AS -MEASURED LOCATIONS UNLESS NOTED, ti g 12. THE PURPOSE OF THIS EXHIBIT IS TO SHOW AS -MEASURED SPOT ELEVATIONS AND STORM 2 SEWER AS -BUILT DATA IN ME AREA OF BLOCK IM OVERLAID ONTO ME PROPOSED CIML O G' SITE PLAN. 13 w ra GRAPHIC SCALE �. �:ee�I ;o (a Xm) Pal u.IR' 1 mA - eo n Statement I, JOHN B. W A LAND SURVEYIXt LICENSED IN ME STATE OF CGLORADO, HEREBY STATE FOR AND ON ALF OF FLATIRONS, INC., TO HCBECK, LTD., THAT THIS AS -BUILT EXHIBIT WAS PREPARED BT OR UNDER MY RESPONSIBLE CHARGE; THAT SCUD EXHIBIT AND THE RE AMW ELEVATIONS SH WN HEREON ARE ACCURATE TO THE BEST OF MY KNOWLEDGE, INFORMATION AND BELIE COLORADO P.LS i164M FLATIRONS. INC. SHEET 1 OF 1