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GENERAL NOTES . :1---_ ___ .._ ~ ______ _ I. THE UTILITY INFORMATION SHOWN ON THE PLANS HAS BEEN GATHERED BY MEANS OF FIELD SURVEYS AND AVAILABLE INFORMATION. THE INFORMATION SHOWN ON THESE PLANS IS FOR INFORMATION ONLY AND IS NOT GUARANTEED TO BE ACCLRATE OR ALL INCLUSIVE, THE CONTRACTOR IS RESPONSIBLE FOR MAKING HIS/HER OWN DETERMINATIONS OF THE TYPE AND LOCATION OF UNDERGROUND UTILITIES AS MAY BE NECESSARY TO MAINTAIN SERVICE AND AVOID DAMAGE THERETO, CALL UTILITY NOTIFICATION CENTER OF COLORADO (534-6700) AT LEAST 48 HOURS PRIOR TO COMMENCING CONSTRUCTION. 2. IN ADDITION TO TIlE DETAILED AND TECHNICAL SPECIFICATIONS, THE CONTRACTOR SHALL FOLLOW THE APPLICABLE CONSTRUCfION SPECIFICATIONS SET FOR THE BY THE CDOT IN THE LATEST MANUAL, "STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION," THE M & S STANDARDS, AND THE MANUAL OF UNIFORM TRAFFIC CONTROL DEVICES. 3. ANY DAMAGE TO ANY PRESENT HIGHWAY FACILITIES WILL BE REPAIRED AT THE CONTRACTOR'S EXPENSE PRIOR TO CONTINUING OTHER WORK. ANY MUD OR OTHER MATERIAL TRACKED OR OTHERWISE DEPOSITED ON THE ROADWAYS SHALL BE REMOVED DAILY OR AS ORDERED BY THE INSPECTOR. NO STORAGE OF MATERIALS OR EOUIPMENT WILL BE ALLOWED WITHIN 30 FEET OF THE TRA VELEb WAY. AREAS OF ROADWAY AND RIGHT-OF-WAY DISTURBED DURING THE COURSE OF THE PROJECT SHALL BE RESTORED TO INSURE PROPER DRAINAGE, 4. THE CONTRACTOR SHALL SUBMIT A TRAFFIC CONTROL PLAN TO THE TOWN FOR APPROVAL PRIOR TO CONSTRUCTION. CONSTRUCTION SIGNS WHEN NOT IN USE SHALL BE TURNED A WAY FROM THE TRAFFIC, CONTRACTOR IS RESPONSIBLE FOR MAINTAINING SAFE AND ADEQUATE TRAFFIC CONTROL SIGNAGE FOR THE DURATION OF THE CONSTRUCTION ACTIVITIES SHOWN ON THE PLANS, THE COST FOR TRAFFIC CONTROL IS CONSIDERED INCIDENTAL TO THE CONSTRUCTION AND SHALL NOT BE PAID FOR UNDER A SEPARATE BID ITEM. 5. THE CONTRACTOR SHALL HAVE ONE COPY OF THE PLANS AND ONE COPY OF THE SPECIFICATIONS AT THE JOB SITE AT ALL TIMES, IN ADDITION, THE CONTRACTOR SHALL I1A VE ONE COPY OF TIlE CURRENT COLORADO DEPARTMENT OF TRANSPORTATION "STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION" AT THE SITE. 6, DISTURBED AREAS OF THE RIGHT-OF-WAY (WHERE APPLICABLE) MUST BE RESEEDED AS DIRECTED IN THE CDOH SEEDING SPECIFICATIONS. 7. THE BENCHMARKS FOR THE, PROJECT ARE SHOWN ON TIIE PLANS, 6" TOPSOIL /-'\1' h \11 ,///\,\ /,,{,\I f4' - UNCLASS. SAND PROVIDED BY OWNER a" PLASTIC PIPE -.... ~ 4" SAND UNDER PIPE SEE PROF ILE FOR PIPE GRADE TYPICAL OISCHAHGt: LI~JE 1/2" =,' 2' orA, CONC. COLLAR 8. 12, 13, THE CONTRACTOR SHALL "POTHOLE" ALL UTILITIES PRIOR TO BEGINNING THE WORK. THE EXACT HORIZONTAL LOCATION OF THE UNDERDRAIN MAYBE ADJUSTED SLIGHTLY TO AVOID CONFLICTS WITH EXISTING UTILITIES. THE LOCATION NEEDS TO BE APPROVED BY THE TOWN PRIOR TO COMMENCING ANY CONSTRUCTION. THE CONTRACTOR IS RESPONSIBLE FOR PROVIDING ALL CO;\lSTRUCTION STAKES AND SURVEYING NEEDED TO BUILD THE PROJECT. THE TOWN/ENGINEER SHALL BE GIVEN 24 HOURS NOTICE THAT SURVEY STAKES HAVE BEEN INSTALLED. GRADE 60 REINFORCING BARS ARE REQUIRED. ALL EXPOSED CONCRETE CORNERS SHALL HAVE A 3/4 INCH CHAMFER UNLESS OTHERWISE NOTED. ALL CEMENT SHALL BE TYPE I/II PORTLAND CEMENT. SOIL BORING LOGS ARE SHOWN IN TlIE PLANS. THE INFORMATION CONTAINED IN THE BORE LOGS IS FOR GENERAL INFORMATION PURPOSES. EACH CONTRACTOR SHOULD EXAMINE THE SITE SOILS TO DETERMINE THE NATURE OF THE PROJECT SITE PRIOR TO SUBMITIING A BID, DISPOSITION OF EXCESS MATERIALS IS THE RESPONSIBILITY OF THE CONTRACTOR, EXCESS EXCAVATED MATERIALS WILL BE HAULED TO TIlE SPECIFIED AREA BY THE CONTRACfOR AND STOCKPILED FOR USE ON THE ROOD CONTROL LEVEE. GEOTECHNICAL TESTING WILL BE FURNISHED BY THE OWNER. THE CONTRACTOR SHALL REQUEST CONCRETE AND/OR COMPACTION TESTS AT LEAST 24 HOURS IN ADVANCE. THE CONTRACTOR SIIALL MAINTAIN RED-LINED "AS-BUILT" PLANS DURING THE COURSE or CONSTRUCTION, THE PLANS SHALL SHOW UTILITY LOCATIONS, DISTANCES, DEPTHS, AND OTHER PERTINENT INrORMATION SHOWING THE EXACT EXTENT OF CONSTRUCTION AND ANY CHANGES MADE DURING THE COURSE OF THE PROJECT. THE CONTRACTOR SHALL SUBMIT A DEWATERING PLAN PRIOR TO CONSTRUCTION. PUMPS MAYBE DISCHARGED INTO THE EXISTING DRAINAGEW A YS, EROSION PROTECTION AT THE DISCHARGE IS THE RESPONSIBILITY OF THE CONTRACTOR. DISCHARGE INTO THE SANITARY SEWAGE SYSTEM IS NOT ALLOWED. THE CONTRACTOR SHALL TAKE CARE NOT TO DISTURB ANY WETLANDS, NO DREDGE OR FILL IS ALLOWED WITHIN ANY WETLAND. NO MORE THAN 50 rEET OF OPEN TRENCH IS ALLOWED AT ANY TIME. THE CONTRACTOR SHALL BARRICADE AND PROTECf ANY OPEN EXCAVATION, ALL ELECTRICAL WORK SIIALL BE SUPERVISED BY AN ELECTRICIAN LICENSED IN THE STATE. THE SURVEYOR SHALL VERIFY TIlE SITE BENCHMARK ELEVATIONS WITH THE PROJECT BENCHMARK PRIOR TO SETIING CONSTRUCTION STAKES, DISCREPANCIES IN ELEVATIONS SHOULD BE ADJUSTED PRIOR TO CONSTRucrrON, THE PROJECT BENCHMARK IS AND NGS \10NUMENT #U-442 LOCATED 49 FEET SOUTIIEAST OF TIlE SOUTH RAIL UPRR TRACK, 16 rEET SOUTHEAST or MILE POST 29, ELEVATION 3697.73. 12" DRAIN DEEP TYPE L1D~ '. '.. GRAVEL ROAD SURFACE 9. , . I'" -.- ;, ': . I I " . L__I . '.. ';'., GRANULAR ."y:'.. BASE -----~ 10. II. 12" -L -- TYP, 6" VALVE BOX TOP ~- 4" PVC CLEANOUT RISER 14. IS, 16, 12" 4" x wye - flow CLEANOUT DETAIL nts NOTE: CONTRACTOR TO FURNISH ONE (I) TOOL FOR PLUG REMOVAL, 17. 18, 19. 20, 21. "AS BUILT" AUGUST, 1992 , \ TYPICAL UNDERDRAIN SECTION STA 11+50 TO STA 39+10 I" = 2' 3726 EXCAVATED MATERIALS THICKNESS VARIES. ) EXCAVATED MATERIALS THICKNESS VARIES ] , , ") " " //I\\\///\.\\ /4'\ \ 7/ \\I/o? \ \\ /"ADJUSTABLE RISER -7 STEEL ADJUSTING RINGS (AS NEEDED) . ,',.. \ 1 -.,', m I I ':-- ''\-7 )1"'/1';,;; ~ 4" REMOVABLE 'II ~"'t! PVC PLUG I , II UNCLASS,SAND MAT'L, PROVIDED BY THE OWNER AND STOCKPILED AT THE PROJECT SITE , .... 12" II POLYETHYLENE OR PVC PIPE PERFORATED FROM STA 11+50 to 39+10 NON-PERFORATED PIPE FROM STA 9+00 to 11...50. ALL . PERFORATED PIPE TO BE WRAPPED WITH FILTER FABRIC (MIRAFI140N), ADS SOCK OR APPROVED EQUAL. - 'It ----FILTER MATERIAL rAPPROX, LEVEL OF SAND - (\J ROCK TRENCH MUST EXTEND 6" MIN, INTO SAND LAYER 3' J L *" THE CONTRACTOR IS RESPONSIBLE FOR DETERMINING THE PROPER TRENCH SIDE SLOPE TO MEET ALL OSHA REQUIREMENTS. ANY BRACING, SHORING OR OTHER PROTECTIVE MEASURES BY THE CONTRACTOR ARt: AT HISIHER EXPENSE. EXCESS EXCAVATED MATERIALS ARE TO BE PLACED AT THE TOWN OF CROOK SOUTH PLATTE LEVEE AND JETTY IMPROVEMENT SITE (SEE COVER SHEET FOR LOCATION). TYPICAL NON- PERFORATED PIPE SECTION STA, 9+00 to STA.II+50 12" ROAD BASE wi GRAVEL SURFACE l I 1 )f. J. , '.,,- UNCLASS I F lED SAND (PROVIDED BY THE OWNER)---/ r- -- .. - , r<) 0_ PROFILE GRADE , 1___ - " I t . U j. J L 4" SAND UNDER PIPE (MIN,) I ~ _ 3' GENERAL NOTES a TYPICAL SECTIONS TOWN OF CROOK SUBSURFACE DRAINAGE PLAN "I0Il Desioned by, T F Drown by' K D Checked by' R W Scale' AS SHOWN Dote' 2/92 . Project No,' 91'10,26 Kiowa Engineering Corporation 1776 So, .Jackson Street Su,te 1001 Denver, Colorado 80210.3809 SHE E T 2