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0 04 5w x 82.4 I al DESIGNED: GENERAL NOTES GENERAL NOTES (CONT.,) INDEX OF DRAWINGS 1. THE CONTRACTOR SHALL CONTACT THE UTILITY NOTIFICATION CENTER OF COLORADO (811) AND OTHER AFFECTED 16. EXISTING FACILITIES NOT INDICATED TO BE REMOVED SHALL BE PROTECTED IN PLACE OR REMOVED AND REVISED: DATE: UTILITIES TO LOCATE UNDERGROUND FACILITIES AT LEAST 48 HOURS PRIOR TO COMMENCEMENT OF REPLACED IN KIND, AS APPROVED BY ENGINEER. SHEET TITLE CONSTRUCTION. CONTRACTOR SHALL POTHOLE AND SURVEY THE LOCATION AND ELEVATION OF ALL EXISTING UTILITIES THAT MAY BE AFFECTED BY CONSTRUCTION PRIOR TO THE START OF CONSTRUCTION. THE POTHOLING 17. CONTRACTOR SHALL FIELD VERIFY THE LOCATION (HORIZONTAL AND VERTICAL) AT CONNECTIONS TO ALL NO. AND SURVEY WORK SHALL BE INCLUDED AND PAID FOR AS PART OF MOBILIZATION. EXISTING INFRASTRUCTURE. THIS INFORMATION SHALL BE COLLECTED AND SUBMITTED TO THE ENGINEER FOR GENERAL REVIEW PRIOR TO FABRICATION AND /OR PRIOR TO INSTALLATION OF ANY NEW FACILITIES SHOWN ON THESE 1 TITLE SHEET 2. THE CONTRACTOR SHALL NOTIFY THE DISTRICT 24 HOURS PRIOR TO STARTING WORK AND 24 HOURS PRIOR TO CONTRACT DRAWINGS. THE ENGINEER WILL DETERMINE IF ANY MINOR MODIFICATIONS TO THE NEW FACILITIES 2 GENERAL NOTES AND LEGEND EACH DESIRED AND REQUIRED INSPECTION. SHOWN ON THE CONTRACT DRAWINGS ARE NECESSARY SUCH AS HORIZONTAL AND VERTICAL ADJUSTMENTS. 3 GEOTECHNICAL EVALUATION 3. THE CONTRACTOR SHALL BE SOLELY AND COMPLETELY RESPONSIBLE FOR CONDITIONS AT AND ADJACENT TO THE 18. CONTRACTOR SHALL CONFINE WORK TO THE CONSTRUCTION LIMITS SHOWN ON THE EROSION CONTROL PLAN. CIVIL JOB SITE, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY DURING PERFORMANCE OF THE WORK. THIS CONTRACTOR SHALL BE RESPONSIBLE FOR INSTALLING AND MAINTAINING TEMPORARY SEDIMENT AND EROSION REQUIREMENT SHALL APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS AND INCLUDES CONTROL MEASURES AND REMOVAL OF SUCH MEASURES FOLLOWING CONSTRUCTION. 4 SITE PLAN TRAFFIC CONTROL IN ACCORDANCE WITH THE MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES. THE DISTRICTS 5 OUTLET WORKS PLAN 8 PROFILE REVIEW OF PLANS AND CONSTRUCTION IS NOT INTENDED TO INCLUDE REVIEW OF THE ADEQUACY OF THE SAFETY 19. CONCRETE FOR OUTLET STRUCTURE AND TOEWALL SHALL BE CDOT CLASS D, OR APPROVED EQUIVALENT. 6 OUTLET STRUCTURE DETAIL MEASURES IN, ON, OR NEAR THE CONSTRUCTION SITE. 7 SHORELINE STABILIZATION CROSS SECTION 8 MISCELLANEOUS DETAILS 4. ANY SETTLEMENT OR SOIL ACCUMULATIONS BEYOND THE CONSTRUCTION LIMITS DUE TO GRADING OR EROSION SHALL BE REPAIRED IMMEDIATELY BY THE CONTRACTOR AT THE CONTRACTORS EXPENSE. GRADING AND EROSION CONTROL NOTESEROSIONCONTROL 9 EROSION CONTROL PLAN 5. ANY CONSTRUCTION DEBRIS OR MUD TRACKING IN THE PUBLIC RIGHT -OF -WAY RESULTING FROM THE WORK SHALL 1. A STATE S DISCHARGE PERMIT SHALL BE OBTAINED PRIOR TO ANY GRADING BEING PERFORMEDT 10 EROSION CONTROL DETAILS BE REMOVED IMMEDIATELY BY THE CONTRACTOR. THE CONTRACTOR SHALL IMMEDIATELY FIX ANY EXCAVATIONS OR PAVEMENT FAILURES CAUSED BY THE CONTRACTOR AND SHALL PROPERLY BARRICADE THE SITE UNTIL LARGER THAN 1 ACRE SIZE. THESE PERMITS CAN BE OBTAINED FROM THE STATE WATERONSITESLA 11 EROSION CONTROL DETAILS CONSTRUCTION IS COMPLETE. FAILURE BY THE CONTRACTOR TO CORRECT ANY OF THE ABOVE WITHIN 48 HOURS 6QUALITYCONTROLDIVISION (30392- 3500). ADDITIONAL WORK OF WRITTEN NOTICE BY THE DISTRICT SHALL CAUSE THE DISTRICT TO ISSUE A STOP WORK ORDER AND /OR DO THE WORK AND MAKE A CLAIM AGAINST THE LETTER OF CREDIT FOR ANY COST INCURRED BY THE DISTRICT. 2. NATURAL VEGETATION SHALL BE RETAINED AND PROTECTED WHEREVER POSSIBLE. EXPOSURE OF SOIL TO EROSION BY REMOVAL OR DISTURBANCE OF VEGETATION SHALL BE LIMITED TO THE AREA REQUIRED FOR 12 SITE PLAN REVISED 6. AREAS BEING DISTURBED BY THE GRADING SHALL BE RESEEDED WITH SEED MIXES SPECIFIED ON THE DRAWINGS. IMMEDIATE CONSTRUCTION OPERATION AND FOR THE SHORTEST PRACTICAL PERIOD OF TIME. 13 SPILLWAY MODIFICATIONS 7. MARKED UP "AS BUILT" PLANS ARE REQUIRED PRIOR TO FINAL ACCEPTANCE OF WORK BY THE DISTRICT. AS BUILT 3. TOPSOIL SHALL BE STOCKPILED TO THE EXTENT PRACTICABLE ON THE SITE FOR USE ON AREAS TO BE REVEGETATED. ANY AND ALL STOCKPILES SHALL BE LOCATED AND PROTECTED FROM EROSIVE ELEMENTS. PLANS SHALL ACCURATELY REFLECT HORIZONTAL AND VERTICAL LOCATIONS OF ALL STRUCTURES. 0 04 5w x 82.4 I al DESIGNED: DATE: DRAWN: DATE: CHECKED: DATE: REVISED: DATE: REVISED: DATE: LEGEND BEDDING (PROFILE) RIPRAP OR STAPLE STONE (PLAN AND PROFILE) TREES CONTROL POINT FOR TOPOGRAPHIC MAPPING GEOTECHNICAL TEST HOLES SILT FENCE EXISTING MAJOR CONTOUR EXISTING MINOR CONTOUR FINISHED MAJOR CONTOUR FINISHED MINOR CONTOUR NEW EMBANKMENT SLOPE AS INDICATED (HORIZ.VERT) SPOT ELEVATION MULLER ENGINEERING CO., INC. C0NSUL77NG ENGINEERS 777 SOUTH WADSWORTH BLVD. A4-100 LAKEWOOD, COLORADO A0226 PROJECT NO. 07 -030.08 ( 303) 9A&1939 8. PERMISSION TO REPRODUCE THESE PLANS IS EXPRESSLY GIVEN TO URBAN DRAINAGE AND FLOOD CONTROL DISTRICT FOR DISTRICT PURPOSES ASSOCIATED WITH PLAN REVIEW, APPROVAL, PERMITTING, INSPECTION AND CONSTRUCTION OF THE WORK. 9. ALL WORK SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE CONTRACT DOCUMENTS, UNLESS OTHERWISE SHOWN OR STATED. CONTRACTOR WILL HAVE THE PLAN SET AND CONTRACT DOCUMENTS ON -SITE WHILE WORK IS IN PROGRESS. 10. THE TOPOGRAPHIC MAPPING SHOWN WAS PREPARED BY GEOSURV LAND SURVEYING IN JUNE 2010. ALL DESIGN IMPROVEMENTS SHALL BE STAKED BY THE CONTRACTOR. CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING THE WORK FROM THE STAKES ACCORDING TO THE LAYOUT DIMENSIONS, ELEVATIONS AND LOCATIONS PROVIDED ON THE DRAWINGS. THE CONTRACTOR SHALL PRESERVE SAID STAKES DURING CONSTRUCTION. CONTROL POINTS HAVE BEEN PROVIDED, SEE SHEET 4. 11. TREE PROTECTION AND REMOVAL: THERE ARE SEVERAL TREES LOCATED ALONG THE ENTRANCE TO THE DAM THAT ARE TO BE SAVED AND PROTECTED. CONTRACTOR SHALL INSTALL ORANGE FENCING AROUND TREES TO BE PROTECTED PRIOR TO THE START OF CONSTRUCTION. 12. EARTHWORK SHALL BE COMPLETE IN PLACE. TESTS MAY BE PERFORMED BY THE OWNER, IF A FAILED TEST IS RECEIVED THEN THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE COST OF THE TEST AND ANY CORRECTIVE ACTIONS NECESSARY. 13. TOPSOIL SHALL BE STRIPPED PRIOR TO GRADING, STOCKPILED DURING GRADING, AND REDISTRIBUTED OVER GRADED AREAS PRIOR TO SEEDING. 14. THE WATER CONTROL ITEM IS INCLUDED TO CONTROL BASE FLOW, GROUND WATER, AND RUNOFF AND PROTECT THE PROJECT FROM DAMAGE DURING CONSTRUCTION. THE CONTRACTOR IS RESPONSIBLE FOR DESIGNING WATER CONTROL AND IMPLEMENTING IT TO MINIMIZE DAMAGE AND DELAYS TO THE PROJECT FROM RUNOFF AND GROUNDWATER. ANY DAMAGE TO THE WORK RESULTING FROM SURFACE FLOWS, BASE FLOWS, GROUNDWATER, OR FLOOD FLOWS INCLUDING BUOYANCY FORCES ON PIPELINES AND OTHER FACILITIES SHALL BE CORRECTED BY THE CONTRACTOR AT THE CONTRACTOR'S SOLE COST. THE CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING AND SATISFYING THE REQUIREMENTS OF ANY APPLICABLE PERMITS PERTAINING TO WATER AND EROSION CONTROL. 15. THE CONTRACTOR IS SOLELY RESPONSIBLE FOR PROVIDING STABLE EXCAVATIONS AND TEMPORARY SLOPES AND FOR SATISFYING ALL APPLICABLE OSHA, FEDERAL, STATE, AND LOCAL REGULATIONS. TEMPORARY EXCAVATIONS SHALL PROVIDE, AT MINIMUM, THE TRENCH DIMENSIONS AND CLEARANCES SHOWN OR SPECIFIED. TEMPORARY CONSTRUCTION SLOPES SHALL BE SLOPED, SHORED, SHEETED, AND /OR BRACED IN ACCORDANCE WITH STABILITY REQUIREMENTS AND APPLICABLE REGULATIONS, AND SHALL BE NO STEEPER THAN THE SLOPES SHOWN OR SPECIFIED WITHOUT THE APPROVAL OF THE ENGINEER. ANY SUCH APPROVALS BY THE ENGINEER WILL NOT RELIEVE THE CONTRACTOR FROM SOLE RESPONSIBILITY FOR PROVIDING STABLE EXCAVATIONS AND TEMPORARY SLOPES. URBAN DRAINAGE AND FLOOD CONTROL DISTRICT F -2 4. TEMPORARY VEGETATION SHALL BE INSTALLED ON ALL DISTURBED AREAS WHERE PERMANENT SURFACE IMPROVEMENTS ARE NOT SCHEDULED FOR INSTALLATION WITHIN THREE MONTHS. 5. AT ALL TIMES, THE PROPERTY SHALL BE MAINTAINED AND /OR WATERED TO PREVENT WIND - CAUSED EROSION. EARTHWORK OPERATIONS SHALL BE DISCONTINUED WHEN FUGITIVE DUST SIGNIFICANTLY IMPACTS ADJACENT PROPERTY. IF EARTHWORK IS COMPLETE OR DISCONTINUED AND DUST FROM THE SITE CONTINUES TO CREATE PROBLEMS, THE OWNER/DEVELOPER SHALL IMMEDIATELY INSTITUTE MITIGATIVE MEASURES AND SHALL CORRECT DAMAGE TO ADJACENT PROPERTY. 6. TEMPORARY CUT /FILL SLOPES SHALL NOT EXCEED A STEEPNESS OF 2:1 (H:V). PERMANENT SLOPES SHALL NOT EXCEED 3:1 (H:V) IN AREAS TO BE SEEDED OR SODDED. 7. THE CONTRACTOR SHALL PROVIDE ANY ADDITIONAL DUST ABATEMENT AND EROSION CONTROL MEASURES DEEMED NECESSARY BY THE DISTRICT SHOULD CONDITIONS MERIT THEM. 8. TEMPORARY FENCES SHALL BE INSTALLED ALONG ALL BOUNDARIES OF THE CONSTRUCTION LIMITS AS SHOWN ON THE APPROVED EROSION CONTROL PLAN, TO PREVENT GRADING ADDITIONAL DISTURBANCE. THE DISTRICT MAY REQUIRE ADDITIONAL TEMPORARY FENCES IF FIELD CONDITIONS SO MERIT THEM. STATE ENGINEER'S OFFICE NOTES 1. THE PLANS AND SPECIFICATIONS SHALL NOT BE SIGNIFICANTLY CHANGED WITHOUT THE PRIOR WRITTEN APPROVAL OF THE STATE ENGINEER IN ACCORDANCE WITH RULE 9.1.8. 2. CONSTRUCTION SHALL NOT BE CONSIDERED COMPLETE UNTIL THE STATE ENGINEER HAS ACCEPTED THE CONSTRUCTION IN WRITING. 3. URBAN DRAINAGE AND FLOOD CONTROL DISTRICT, WITH ASSISTANCE FROM MULLER ENGINEERING, WILL MONITOR THE CONSTRUCTION FOR QUALITY AND COMPLIANCE WITH THE APPROVED DESIGN AND SPECIFICATIONS. IN ADDITION, THEY WILL BE RESPONSIBLE FOR THE PREPARATION OF ALL NECESSARY DOCUMENTATION FOR THE STATE ENGINEER'S REVIEW, APPROVAL OF ALL CONSTRUCTION CHANGE ORDERS, AND PREPARATION OF THE PROJECT COMPLETION DOCUMENTS. ALL ASBUILT INFORMATION DENOTED WITH RECORD DRAWING July 9, 2012 THIS RECORD DRAWING HAS BEEN PREPARED, IN PART, BASED UPON INFORMATION FURNISHED BY OTHERS. WHILE THIS INFORMATION IS BELIEVED TO BE RELIABLE, MULLER ENGINEERING COMPANY, INC. CANNOT ASSURE ITS ACCURACY, AND THUS IS NOT RESPONSIBLE FOR THE ACCURACY OF THIS RECORD DRAWING OR FOR ANY ERRORS OR OMISSIONS WHICH MAY HAVE BEEN INCORPORATED INTO IT AS A RESULT. THOSE RELYING ON THIS RECORD DRAWING ARE ADVISED TO OBTAIN INDEPENDENT VERIFICATION OF ITS ACCURACY BEFORE APPLYING IT FOR ANY PURPOSE. HAVANA STREET DAM IMPROVEMENTS GENERAL NOTES AND LEGEND SEO # C -19911 SHEET 2 of 4413