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HomeMy WebLinkAbout2291-4SANDBAGS (GRAVEL BAG) 1. GENERAL: SANDBAG SHALL INCLUDE PROVIDING ALL LABOR, MATERIALS, AND EQUIPMENT TO FABRICATE AND INSTALL SANDBAGS AS REQUIRED TO FACILITATE THE CONTROL OF EROSION. 2. LOCATION: SANDBAGS SHALL BE PLACED IN ROWS AT LEAST TWO HIGH, AND IN OTHER BERM CONFIGURATIONS, IN LOCATIONS SPECIFIED BY THE CITY, AND IN LOCATIONS DEEMED NECESSARY BY THE CONTRACTOR. 3. FABRICATION: SANDBAGS SHALL BE FABRICATED USING FACTORY SEWN OR SEALED BAGS OF WOVEN POLYPROPYLENE, TREATED TO RESIST DEGRADATION BY ULTRAVIOLET LIGHT AND HAVING SUFFICIENT RESISTANCE TO TEARING TO ALLOW RELOCATION OF BAGS WITHIN SIX MONTHS OF INITIAL PLACEMENT WITH A LOSS OF NOT MORE THAN FIVE PERCENT OF THE BAGS. THE BAGS SHALL BE FILLED WITH SUBROUNDED TO ROUNDED GRAVEL LESS THAN 3/4–INCH IN DIAMETER, WITH LESS THAN FIVE PERCENT OF MATERIAL PASSING A NO. 30 SIEVE. THE FILLED BAGS SHALL HAVE THE OPEN ENDS SECURELY FASTENED PRIOR TO DELIVERY TO THE SITE. 4. INSTALLATION: SANDBAGS SHALL BE INSTALLED IN A MANNER TO ENTRAP SILT AND MUD, AND TO DIVERT THE FLOW OF WATER. NOTWITHSTANDING THE OTHER REQUIREMENTS OF THIS SPECIFICATION, FAILURE OF THE BAGS TO PERFORM THIS FUNCTION SHALL BE REASON TO REJECT THEIR INSTALLATION. SANDBAGS SHALL BE INSTALLED WITH THE WIDEST FACE AGAINST THE GROUND SURFACE OR THE UNDERLYING COURSE OF BAGS, AND PRESSED IN PLACE TO CONFORM TO THE UNDERLYING SURFACE. THE BAGS SHALL BE PLACED WITH THE TIED ENDS IN THE "UPHILL" OR "UPSTREAM" DIRECTION, BEGINNING AT THE LOWEST OR MOST DOWNSTREAM BAG, TIED ENDS WILL BE TUCKED UNDER BAG. SUBSEQUENT BAGS WITHIN ONE COURSE OF BAGS SHALL BE PLACED SO AS TO REST UPON THE TIED END OF THE PREVIOUSLY PLACED BAG, WITH NOT LESS THAN 10 PERCENT OF THE BAG IN CONTACT WITH THE PREVIOUS BAG, AND NOT MORE THAN 20 PERCENT IN CONTACT. SUBSEQUENT COURSES OF BAGS SHALL BE PLACED AS DESCRIBED PREVIOUSLY, WITH THE MID–POINT OF THE BAGS STRADDLING THE JOINTS OF BAGS IN THE UNDERLYING ROW. CONSTRUCTION OF A SANDBAG BERM PERPENDICULAR TO THE DIRECTION OF FLOW SHALL INCORPORATE BAGS PLACED IN A "PYRAMID" CONFIGURATION, WITH ALL INDIVIDUAL BAGS ORIENTED PERPENDICULAR TO THE DIRECTION OF FLOW. THE BERM SHALL BE CONSTRUCTED WITH A SPECIFIED NUMBER OF ROWS AT THE BOTTOM (IN CONTACT WITH THE GROUND), WITH SUCCESSIVELY FEWER ROWS IN EACH OVERLYING COURSE. THE UPSTREAM AND DOWNSTREAM FACES OF THE BERM SHALL BE NO STEEPER THAN 1 1/2 FEET HORIZONTAL TO 1 VERTICAL. THE SPECIFICATION FOR SPILLWAYS AND/OR OUTLET PIPES SHALL BE PER THE RESPECTIVE GRADING PLAN DETAILS. DAMAGE WHICH COULD FORESEEBLY BE PREVENTED BY PROPER SANDBAG INSTALLATION SHALL BE THE CONTRACTOR'S RESPONSIBILITY. i TEMPORARY EROSION CONTROL NOTES 1. IN CASE OF EMERGENCY CALL CENTEX HOMES AT (909) 279-401 2. THE UNDERSIGNED CIVIL ENGINEER WILL REVIEW EROSION CONTROL WORK AND VERIFY THAT WORK IS IN ACCORDANCE WITH THE APPROVED PLANS. N ,�I IIzWw HAROLJ2 GAiZCELOW DATE 3, A STANDBY CREW FOR EMERGENCY WORK SHALL BE AVAILABLE AT ALL TIMES DURING THE RAINY SEASON. NECESSARY MATERIALS SHALL BE AVAILABLE ON SITE AND STOCKPILED AT CONVENIENT LOCATIONS TO FACILITATE RAPID CONSTRUCTION OF TEMPORARY DEVICES OR TO REPAIR ANY DAMAGED EROSION CONTROL MEASURES WHEN RAIN IS IMMINENT. 4. DEVICES SHALL NOT BE MOVED OR MODIFIED WITHOUT THE APPROVAL OF THE CITY INSPECTOR. 5. ALL REMOVABLE PROTECTIVE DEVICES SHOWN SHALL BE IN PLACE AT THE END OF EACH WORKING DAY WHEN THE FIVE-DAY RAIN PROBABILITY FORECAST EXCEED 40 PERCENT. 6. AFTER A RAINSTORM, ALL SILT AND DEBRIS SHALL BE REMOVED FROM CHECK BERM AND DESILTING BASINS AND THE BASINS PUMPED DRY. ANY GRADED SLOPE SURFACE PROTECTION MEASURES DAMAGED DURING A RAINSTORM SHALL ALSO BE IMMEDIATELY REPAIRED. 7. FILL SLOPES AT THE CONSTRUCTION AREA PERIMETER MUST DRAIN AWAY FROM THE TOP OF THE SLOPE AT THE CONCLUSION OF EACH WORKING DAY. 8. A GUARD SHALL BE POSTED ON THE SITE WHENEVER- THE DEPTH OF WATER IN ANY DEVICES EXCEEDS TWO FEET. 9. SPACING OF ROWS OF SANDBAGS SHALL BE AS PER PLAN. 10. DURING GRADING OPERATIONS AND PRIOR TO CONSTRUCTION OF PERMANENT DRAINAGE STRUCTURES TEMPORARY DRAINAGE CONTROL SHALL BE PROVIDED TO PREVENT PONDING WATER AND DAMAGE TO ADJACENT PROPERTIES. 11. ALL EXISTING DRAINAGE COURSES ON THE PROJECT SITE MUST CONTINUE TO FUNCTION, ESPECIALLY DURING STORM CONDITIONS. PROTECTIVE MEASURES AND TEMPORARY DRAINAGE PROVISIONS MUST BE USED TO PROTECT ADJOINING PROPERTIES DURING CONSTRUCTION. OSION CONTROL PLAN FO WEST ER.1110TT PARK C -Ty (OF F0__ -TANA Underground Service Alert uP ��FORE roto Call: TOLL FREE 1-800 _ 422-4133 TWO WORKING DAYS -- BEFORE YOU DIG TOTAL ACRES AREA= 14.68 ACRES CONSTRUCTION NOTES A�--CONSTRUCT SANDBAG REDUCER PER DETAIL HEREON. B�—CONSTRUCT SANDBAG ONE ROW HIGH PER DETAIL HEREON. HNICAL ENGINEER: I BENCH MARK C.H.J. INCORPORATED, CHISELED "X" N.E. CORNER OF P.O.BOX 231, 1355 E. COOLEY DR., ABUTMENT AT FOOTHILL BLVD. COLTON, CA 92324 AND EAST AVE. (909) 824-7210 JOB NO. 85510-3 #67-5 ELEV. 1195.52 LEGEND: OX ---- DETAIL — — — — FLOW ARROWS 1PECORD _ ORA�I'/NG _- REVISIONS AP c #,# C// DATE ,,r CITY,„, IDATE w z W W I ll,v McDERM017 WEST PARK SOUTH HERITAGE CIRCLE N VICINITY MAP N.T.S. 'ANDBAGS SHALL BE STACKED TO 12" MIN. HEIGHT HE ROWS SHALL BE SPACED AT 100' MAX. INTERVALS SAND BAGS TWO HIGH. C:4-� 3 ROWS OF SANDBAGS AND\�DOBLR ROW OF GRAVEL BAGS. 2 BAGS HIGH 2 BAGS HIGH EARTH RAMPS i - W m o MAX. 0 w DOUBLE ROW OF GRAVEL BAGS Lw NTS 6” HIGH IN PARKWAY (TYP. ) POSITION AT HIGH POINT OF STREET 45%SECTION CL FLOW DIRECTION r R/W DRAIN PIPE TEMPORARY DRAINAGE INLET (FUTURE CATCH BASIN) IF NECESSARY. ET VELOCITY REDUCER VEHICULAR ACCESS RAMP NTS RECGRU L.RA ING The information on thiw is cjbtaine4J front omers and must be vaoied in t+ie fi:-. ry aro ow.. -, ror to use or construction. HALL FG i :' .rJ, Nc. is not responsible for underground facility locati,.r,- or depictions. All above ground facilities can be readily se:.l and ve-rified by the parties that intend to use sae. PRIVATE ENGINEER'S NOTICE TO CONTRACTORS THE CONTRACTOR AGREES THAT HE SHALL ASSUME SOLE AND COMPLETE Y RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION OF THIS PROJECT, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY: THAT THIS REQUIREMENT SHALL APPLY CONTINUOUSLY 3 - AND NOT BE LIMITED TO NORMAL WORKING HOURS; AND THAT THE CONTRACTOR SHALL DEFEND, INDEMNIFY, AND HOLD THE OWNER AND THE o ENGINEER HARMLESS FROM ANY AND ALL LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF WORK ON THIS PROJECT, o EXCEPTING FOR LIABILITY ARISING FROM THE SOLE NEGLIGENCE OF THE Ki 60' o� 60' 120, ISO, OWNER OR THE ENGINEER. N GRAPHIC SCALES 1'=60' ~ _. o J CITY OF FON TAN A, CALIFORNIA J Q Z QROFESS/ o�HaHRAWN BY EROSION CONTROL PLAN SCALE: Z ��0 ART HUR c � �� Inc� • E.O. " - LOW I HORIZ: 1 - 60 w Civil Engineering • Planning • Surveying • Public Works DESIGNED BY _ SRT, oz _ W ` '" 1152 N. Mountain Ave. Ste. 100 U land, CA 91786-3669 gOg 982-7777 P.H. ac E.O. z No. 31681 z � ow c� ll * Exp. 12/31/04 * P CHECKED BY FOR DATE: o CIVIC ��� PREPARED UNDER THE SUPERVISION OF: P.H. & E.O. NICD MOT W RK 07/27/00 oN OF �F JOB NO. DR. N0. SHT. N0. ca,� 4• I t Z 9' a t 99200 PPR / v o� HAROLD A. GARCELON R.C.E. 31681 DATE: ACTING CITY ENGINEER RCF* 51 5 G OF $ N3 - - - - - - - - - _ PRA wl'N 6 ASD. 02 9 Sf f ji5.5r _16. 4 0 r 06