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HomeMy WebLinkAboutWTR2702933.5F f- F- (n c 9 12" x 22" CONCRETE METER BOX IN UNIMPROVED RIGHT OF WAY WITH 3 16 STEEL DIAMOND PLATE INSTALL METER BOX AT COVER EQUAL TO FOG 777E METER PROPERTY LINE. SEAL CO. B-10 METER BOX. 6" MJN (n 9" MAX SIDEWALK 8 r) 9" I a' 21 " AMEN 12 M1N_ WATER METER TO BE COVER 36" MJN COVER SUPPLIED BY THE CITY U TYPE K" SOFT 22-1/2' COPPER TUBING LOOP DOWN TO CENTERLINE IFORD COPPERSET7ER Z NEW DUCTILE IRON OF WATER MAIN TO PROVIDE W 72-15W-44-33G FOR 5 8 x 314METER m o WA7ERMA/N SLACK /N COPPER SERVICE W 72-15W-44-44G (FOR 1" METER) LINE TO METERR, BOTH INLET AND OUTLET WITH PACK JOINT WITH GRIPPER. PADLOCK WINGS ON KEY VALVE SINGLE CHECK VALVE ON OUTLET. CORPORAT70N STOP. FORD TAPERED ALL PACK -JOINT FITTINGS SHALL BE WITH GRIPPER. 774READ (CC). PACK JOINT (3/4" F1000) IF SERVICE LINE TO HOUSE IS TO BE (1 " F1000) INSTALLED /N THE FU77JRE INSTALL FORD C14-33 OR 44 NOTE.• WATER SERVICE AND FIDT x COMPRESSION COUPLING 22-1/2 METER SIZE TO BE VERIFIED 3/4" OR 1" GALVANIZED PLUG - BY PLUMBING CONTRACTOR. FOR SERVICE FROM EXIS77NG STEEL EXIS77NG CAST IRON ASBESTOS CEMENT OR PVC WATER MAINS 3/4" ac 1" WATER SERVICE OR DUC77LE IRON INSTALL DOUBLE STRAP SERVICE CLAMP WA 1ERMAlN EQUAL TO MUELLER CO. ADOPTED CrIR OF REN'1'ON En Of W I8 DATE: 1ndard 2/96 "ext. DCV AG DATE REVISION BY IAPPR'DI DWG. NAME: BR41 SP PAGE: B106 314" I& 1" WA TER SERVICE NOT TO SCALE 0 0 a X x V) a� N � '� N 1 O 0 o- N~ oQr- &Z W -9MaPi Y� w Q 0 is MAX FIRE HYDRA NT A SSEMBL Y NOT TO SCALE 2" BEEHIVE PORTIONS SEC. 16, TWP. 23 N., RGE. 5 E., W"M. CONCRETE BLOCKING SIZING PROCEDURE A. GENERAL The amount of concrete required to anchor horizontal bends, tees, and dead ends depends on the strength of the The ka Boll. methods of placng concrete to the joint acosesble Is shown In Figure 1, The are in square feet of concrete which must bear against the side of the trench Is found by dvlding the thrust In pounds shown In Table T by the safe bearl�a.load of the soli ae shown In Table 2. B. S+KL[FBIA 1. The sizing procedure Is for horizontal or downward thrust only. 2. Height of the thrust block must be equal es to or lethan 1/2 the depth from the ground surface to the block bass. 3. The thrust block bearing face is approximately rectangular. 4. The concrete blocking shall be as per APWA Sps IRcation 74-214. C. 0!@QJ� d = Outside Diameter of Pipe In Feet T = Thrust In Pounds at the Flttlnq (Table 1) SBeor L - Safe Bring Load in Pounds/54 Ft. (Table 2) h - D th of Trench in Feet W - Wl�th of Trench In Feet A - Area of Concrete which must bear against the Side of the Trench in Sq Ft. GROU Dc -Maximum Heigght of the Thrust Block In feet Dc - Depth the Concrete Thrust Block of to Bering Surface in Feet 1-7777 Lrn = Maximum Length of the Thrust Block in Feet h Hm= 2 BLOCK BASE D. CALCULATION EQUATIONS I- W -I 1. Area of Concrete (A) - Thrust In Pounds T Safe Bearing Load n Pounds . Ft. - 3k8C 2 Maximum Height of Thrust Block (Hm) - Depth of Trench In Feet h 2 - 2 Width of Trench In Feet) - Outsid Dkt - Go to Table 2• Table 2 glvas the safe bearing load for sand and gravel: 3,000 lbs./sq. ft. - Go to Figure 1: figure 1 indicates the position of the concrete for blocking the 90' bend. - Go to the epeclflC Ions of the project and find depth of torch (h - 4 fast - Width of trench - 3 feet With the above assembled Information, we proceed to the final calculations: Thrust 21,360 - Area of Concrete (A) _ = - 7.12 eq ft. Safe Bering Load 3,000 - Maximum Height of Thrust Block (Hm) = Depth of Trench In Feet - 2 h 42 -20fL - - Depth of Concrete Thrust Block (Do) 2 _ Width of Trench in Feet (W) - Outside Dlamater of Pipe (d) 2 = 3-0.75 _ 1.13ft. 2 - Maximum Length of Thrust Block (Lm) - Area of Concrete Height of Concrete _ A _ 7.12 _ 3.56 ft. Hm 2.0 - Required Amount of Concrete = (Height x Depth x Length) x 0.03704 - (Hm x Lm x Do) x 0.03704 r = (20 x 3.56 x 1.13) x 0.03704 - 0.30 cu. yd. TAR] E 1 Size Pressure PSI Thrust at Fittings In Pounds Tees 90, 45' 22-1/2 11-1/4 Dead Ends Bend Bend Bend Bend 3' 300 2.120 3.000 1,630 830 430 4' 300 3.780 55,,370 Z910 1,470 750 8' 8' 300 300 8 5DO 1�,100 12.000 6,510 3.320 1,700 10 12' 275 250 21,820 33,930 21,360 30,570 11,550 18 540 25,950 5,880 %g,, W 3.020 4.330 14' 250 46,200 48,000 65,370 35.340 13,280 18.030 6,780 9,240 16' 225 45,250 64.000 34,620 17,650 9,050 18' 200 50.900 72,000 38,940 19,860 10.180 20' 200 eZ840 88,900 48,080 24.520 12,560 24' 200 90.480 127.950 89,200 35,320 18100 30' 36' 200 200 141 370 20�.500 199 980 28/,950 1 M150 158.740 55,140 79.400 28.260 40,720 e meter of Plpe In Feet) ywd 3. Depth of Concrete Thrust Block = - p 2 TABLE 2 4. Maximum Length of Thrust Block (Lm) Area of Concrete - A safe Baarina Loads In L./So, Maximum Height Hm The safe bearing loads given in the following table are for 5 Required Amount of ConcreteYd.) horizontal thrusts when the depth of cover over the pipe q (Cu.( ) - (Height x Depth x Length) x 0.03704 exceeds 2 feet. _ (Hm x Lm x Do) x 0.03704 Safe Bering Load E. EXAMPLE SAIL Lbper U. Ft. 1, Problem *Muck, peat, etc. Soft Clay 1,000 Calculation of the amount of concrete required to block a 90' bend in an 8' Sand 2,000 C.I. water main; the normal operating pressure in the pipe all be 65 pal and the Boll Sand and Gravel 3.000 condition In the area Indicates sand and gravel. Hard Shale d and ravel Cemented with Clay 10.0�0 2. Solution: 4n muck or peat, all thrusts shall be restrained by pies or - Maximum testing preesurs (See Table 1) = 30 psl. - 075 fL tie rods to sold foundations or by removal of muck - Outside diameter of 8 pipe = 9.05 in. = 9.05/12 or peat and replaeement with ballast of sufflckent - Go to Table 1: The testing pressure of 300 pal, we see etabiity to rag thrusts. CONCRETE BLOCKING SIZING PROCEDURE that the thrust on a 90' bend Is 21,360 pounds, ADOPTED CrrY OF RCNTON ws -EJ CAP 22-1/2' 450BEND TEE CONCRETE BLOCKING PER CITY OF RENTON STANDARD DETAILS B22 AND BR26. TWO PIECE CAST IRON VALVE 6" MAX. EQUAL TO OL YMPIC FOUNDRY CO. �I STANDARD 8" TOP SECTION, WITH REGULAR BASE SECTION LENGTH TO FIT. 2" GATE VALVE, SCREWED 2" GALVANIZED PIPE 12' LONG 2" CLOSE NIPPLE BETWEEN CAP OR PLUG AND 2" 90a ELBOW 10+ CUT OPENING AS REQUIRED, AFTER INSTALLAPON, EXISTING WATER MA_ IN - ---- - NEW D.L PIPE 0 a AROUND PIPE. 2 x2 x2" TEE INSTALL 12' TEMPORARY 2" 90 BEND WITH CLOSE NIPPLE/ PLUG W 2 TAP AND VERTICAL CROSS MJxFL BETWEEN BEND AND TEE 2" BLOW -OFF ASSEMBLY 2-BLIND FLANGES ONE TAPPED 2 2" CORP STOP 2" 90' ELBOW 2" PLUG 2" GALVANIZED IRON PIPE TO FIT PLUG W/ TEMP BLOW -OFF ASSEMBLY BLOCK AS REQUIRED 2" GALVANIZED IRON PIPE CONDITION BEFORE TESTING 18 LONG 2" CAP WITH 1/8" HOLE FOR DRAIN. SOLID SLEEVE WASHED GRAVEL, PASSING 1-1/2" AND RETAINED ON EXISTING WATER MAiN NEW D.L PIPE 1/4" MESH FOR DRAIN c INSTALL 4 MIL POL YE774YLENE PLASTIC COVER OVER WASHED GRAVEL. CUT HOLE FOR PIPE 18" MA FIGURE 1 NOTE: FOR CONVEX VERTICAL BENDS BLOCKING SEE APWA STANDARD PLAN NO. 73. Standard plane GROUND LINE -2-1/2" NST (HOSE) 2 x2 x2" TEE 2" CLOSE NIPPLE BETWEEN TEE AND 90' ELBOW 2" 90' ELBOW 2" GALVANIZED PIPE 18" LONG 2" CAP WITH 1 8" TAP FOR DRAIN 10 CU. FT. WASHED GRAVEL PASSING 1-1 2 AND RETAINED ON 1 4 MESH 1 FOR DRAiN BOW-OFF HY^RANT EQUAL TO 78 KUPFERLE FOUNDRY CO. BL 0 W- OFF A SSEMBL Y NOT TO SCALE 2' OPEN PATTERN, RETURN BEND �2" GALVANIZED IRON PIPE FIELD LOCATE 2" UN/ON 2" CLOSE NIPPLE SHORT NIPPLE 2" UNION 17"x28" CONCRETE METER BOX NTH 318" S7EE /PIPE TO F 2" 90' ELBOW AIR AND VACUUM VAL VE 2" NO. 1452C OR EQUAL. PLATE COVER EQUAL TO FOG-77TE METER SEAL METER BOX. FIELD LOCATE BRONZE GA TE VALVE, SCREWED EQUAL TO RED -WHITE VALVE CORP. FIG N0. 280 2-2" 90' BENDS WITH U1101A AFTER PRESSURE AND PURITY NOTE.' REMOVE BLOCKING, CONNECT AIR AND VACUUM RELEASE VALVE ASSEMBLY SHALL BE INSTALLED TO EXIS77NG WATER MAIN WITH AT HiGHEST POINT OF LINE. IF HIGH POINT FALLS iN A LOCA77ON NIPPLE(S) AND SOLID SLEEVE (LP) WHERE ASSEMBLY CANNOT BE INSTALLED, PROVIDE ADDITIONAL DEPTH CONDITION AFTER TESTING OF LINE TO CREA7F A HIGH POINT AT A LOCATION WHERE ASSEMBLY CAN BE INSTALLED. WA TER CONNEC TION DETA/L, T YPE !V AIR AND VACUUM RELEASE O NOT TO SCALE VAL VE A SSEMBL Y Z V* %# NOT TO SCALE CLOSE NIPPLE BETWEEN BENDS -CLOSE NIPPLE CORPORAT70N STOP 90' BEND. LP THREAD TO COPPER, EQUAL TO FORD FB 500. WI7H 2" 1PS TAP TO FIT, TO MUELLER CO. VARIES SEE PROFILE MJ 45' BENDS W/ TYPE B THRUST BLOCKING PER CITY OF RENTON STANDARD DETAIL B-22 3' MJN. 3' MIN. VARIES SEE PROFILE (1.5' MIN.) WATER MAIN SEE PLAN AND PROFILE FOR SIZE THRUST BLOCKING PER CITY OF RENTON STANDARD DETAIL BR-26 T YPI CA L VER T/CA L BEND IN WATER MAIN NOT TO SCALE 'W 1 F Type 8 Blocking for-45' Vert cal Bends Part as for ShoCkle Rods---, Type-8-Blocking for 450 VerlKcl Bends VB S d L O g o a W 3CC t5 V V v ` r L1 �o g Ac d V 4 300 45 30 31 tise 2.0 68 41 8` 123 50 12' 250 232 6.1 �' 25 1b 225 478 78- 111 40 2Q" 200 560 82 11 24 820 94 1 45 BLOCKING FOR CONVEX 4 Turnb ,C ,, Thread 6 , W S d S3 Cement Conrrete Cross B - 5 BLOCKING FOR CONVEX VERTICAL BEND ADOPTED CITY OF RENTON Bt VERTICAL BEND - T YPE "B" anaara plans EST DATE 9/88 NOT TO SCALE DWG. NAME: B-22 WA BLOCKING FOR CONVEX 4 Turnb ,C ,, Thread 6 , W S d S3 Cement Conrrete Cross B - 5 BLOCKING FOR CONVEX VERTICAL BEND ADOPTED CITY OF RENTON Bt VERTICAL BEND - T YPE "B" anaara plans EST DATE 9/88 NOT TO SCALE DWG. NAME: B-22 WA TER NOTES ALL WORK AND MATERIALS SHALL BE iN CONFORMANCE WITH THE STANDARDS 1. AND SPECIFICATIONS OF THE CITY OF RENTON UTILITY DEPARTMENT AND THE LATEST EDIT70N OF THE WSDOT/APWA STANDARDS AND SPECIFICATIONS AS APPROVED BY 7HE CITY OF RENTON. A SET OF APPROVED PLANS SHALL BE KEPT ON SITE AT ALL TIMES DURING CONSTRUCTION. 2. 7HE HOURS OF WORK IN 774E STREET RIGHT-OF-WAY SHALL BE LIMITED TO J. 30 PM ON WEEKDAYS UNLESS OTHERWISE IN TRI" AIWOCLATES 2APAR0VED WRITING BY 7NE 1RANSPORTiON Dl/VISION AT STREET CLOSURES, PARTIAL OR FULL, SHALL BE APPROVED BY 774E Project Management TRANSPORTA77ON DIVISION AT 277-6222 24 HOURS IN ADVANCE. THE Civil Engineering POLICE DEPARTMENT, FIRE DEPARTMENT, AND 911 SHALL BE NOTIFIED 24 HOURS /N ADVANCE.Land Surveying Land Use Planning J. ALL LOCATIONS OF EXISTING U77Li77ES SHOWN ARE APPROXIMATE AND IT Landscape Architecture SHALL BE THE CONTRACTORS RESPONSIBILITY TO VERIFY THE TRUE AND Site Design CORRECT LOCA77ON SO AS TO AVOID DAMAGE OR DISTURBANCE. FOR 11814 115th Ave. IrTE Kirkland, lIA 98034-8923 U77UTY LOCATION CALL 48-HOUR LOCATORS, 1-800-424-5555 Tel 425.821.UU Fax 425.821.3481 4. ALL WATER MAIN PIPE TO BE CEMENT -LINED DUC77LE IRON PIPE Toll Free 800.4M.0758 www.ti'iadusoc.com CONFORMING TO AWWA C110 AND C111 OR LATEST REVISION, THICKNESS CLASS 52. CEMENT MORTAR LINING AND SEAL COA77NG SHALL CONFORM TO AWWA C104 OR LATEST REVISION. PIPE JOINTS TO BE PUSH -ON OR Z MECHANICAL JOINT. BEDDING TO BE CLASS C. ALL DUCTILE IRON PIPE O SHALL BE POLYETHYLENE WRAPPED PER ANSI/AWWA C105-77 STANDARDS. 5 CAST IRON AND DUC77LE IRON F7T77NGS SHALL BE CEMENT LINED, PRESSURE RATED AS NOTED ON PLANS, AND /N ACCORDANCE WITH ANSI/AW'WA C110/A21.10-82. CEMENT LINING SHALL BE IN ACCORDANCE WNI7H ANSI/AWWA C104/A21.4-85. IF F7T77NGS ARE 3 INCHES TO 12 1 i , INCHES IN DIAMETER AND HAVE MECHANICAL JOINTS, THE FIT77NGS SHALL BE IN ACCORDANCE WITH E17HER ANSI/AWWA C110/A21.10-82 OR `� ANSI/AWWA C153/A21.53-84. THREE-INCH TO 12-INCH DIAMETER �( 3 FITTINGS WHICH HAVE MECHANICAL JOINTS AND/OR FLANGED JOINTS SHALL BE IN ACCORDANCE WITH ANSI/AWWA C110/A21.10.82 OR A COMBINAT70N OF ANSI/AWWA C110/A21.10.82 AND ANSI/AWWA C153 A21.53-84 AND THAT O A Q Q. PORTION OF THE FITTING W17H A MECHANICAL JOINTS),MAY BE IN ACCORDANCE WITH ANSI/AWWA C11O/A21.53-84 AND THAT POR77ON THE OF FIT77NG WITH FLANGED JOINT(S), MAY BE IN ACCORDANCE WITH4. Q ANSI/AW'WA C110/A21. f0-82. ACCEPTANCE TESTING /N ACCORDANCE WITH ` 0 SEC7701V 53-53 OF ANSI/AWWA C153/A21.53-84 OR WITH SEC77ON 10-4.3 OF ANSI/AWWA C110/A21.10-82 SHALL BE OBTAINED BY THE CONTRACTOR . AND TRANSMITTED TO THE OWNERQC 'A v, 6. GATE VALVES SHALL CONFORM TO AWWA C500 AND SHALL BE IRON BODY, BRONZED -MOUNTED, DOUBLE DISC WITH BRONZE WEDGING DEVICE AND "O"- 'w co O RING STUFFING BOX. VALVES SHALL BE DESIGNED FOR A MINIMUM WATER OPERATING PRESSURE OF 2DO PSI. GATE VALVES SHALL BE CLOW LIST 14, MUELLER COMPANY NO. A2380, OR M&H. ALL VAL VIES 12 INCHES IN DIAMETER AND LARGER SHALL BE INSTALLED IN A VAULT. SEE WA TER STANDARD DETAIL FOR 12-INCH GATE VALVE ASSEMBLY VAULT AND 1-INCH 0 7. BYPASS INSTALLA7TON. FIRE HYDRANTS SHALL BE COREY TYPE (OPENING WITH THE PRESSURE) WI Q ^�i CONFORMING TO AWWA C-504-80 WITH A 6-INCH INLET AND AN M.V.O. OF 5 INCHES, TWO 2-1/2 INCH HOSE NOZZLES NTH NA77ONAL STANDARD 7 INCH, 60 DEGREES V, THREADS, O.D. THREAD 4.875 AND ROOT DIAMETER 4-6263, 1-3/4" PENTAGON OPERATING NOT OPENED BY TURNING COUNTER- Q CLOCKWISE (LEFT). o 8. ALL WA7ER MAIN 10 INCHES AND SMALLER TO MAINTAIN A MINIMUM COINER OF 36 INCHES BELOW FINISH GRADE. ALL WATER MAIN 12 INCHES AND Z LARGER SHALL BE AT A MINIMUM OF 48 INCHES BELOW FINISH GRADE. WHERE UTILITY CONFLICTS OCCUR, WATER MAINS ARE 1, , W TO BE LOWERED TO A CLEAR. v, 9. ALL WATER MAINS 6 INCHES /N DIAMETER AND LARGER SHALL BE CLEANED "PIGS" "POLY Q 0 WITH PIPE CLEANING PRIOR TO DISINFECTION. THE PIGS" SHALL BE GIRARD INDUSTRIES AQUA SWAB -AS OR APPROVED EQUAL, 2 Q. POUNDS PER CUBIC FOOT DENSITY FOAM WITH 90A DUROMETER URETHANE RUBBER COATING ON THE REAR OF PIG" ONLY. PiGS" SHALL BE CYLINDER SHAPED WITH BULLET NOSE OR SQUARE END. THE CONTRACTOR V WILL PERFORM THE CLEANING OPERATION. 9A. ALL WATER MAINS AND SERVICES SHALL BE PRESSURE TESTED TO A MINIMUM OF 200 PSI OR 150 PSI OVER OPERA77NG PRESSURE /N 3 ; ACCORDANCE NTH THE SPECIFICA7ONS OF THE CITY OF RENTON AND 7HE WASHINGTON STATE HEAL7H DEPARTMENT. ALL PRESSURE 7ES77NG SHALL as 4 9 BE DONE IN THE PRESENCE OF A REPRESENTATIVE OF THE CITY OF RENTON. 9B. ALL WATER MAINS AND SERVICES SHALL BE DISINFECTED BY THE INJECTION OF A 50-PPM (MINIMUM CONCEN IRA PON) CHLORINE/WATER SOLUTION. DRY CALCIUM HYPOCHLOR/TE SHALL NOT BE PLACED /N 7HE PIPE AS LAID. CHLORINE SHALL BE METERED/INJECTED IN ACCORDANCE WITH SEC77ON 7-11(12)E OR 7.11(12)F OF 774E STANDARD SPECIFICATONS REFERENCED /N 1 ABOVE. 10. A PRECONSTRUCT70N CONFERENCE /S REQUIRED PRIOR TO ANY CONSTRUCTION. A MINIMUM OF 10 (TEN) WORKING DAYS' N077CE IS REQUIRED FOR SCHEDULING. PRIOR TO SCHEDULING 7HE PRECONS7RUCRON z CONFERENCE A PERMIT INFORMA 77ON SHEET MUST BE SUPPLIED TO THE c U71UTY ENGINEERS OFFICE. TWENTY-FOUR HOUR N077CE WILL BE REQUIRED PRIOR TO STAR77NG NEW CONSTRUCTION. S 11. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL o S NECESSARY PERMIT'S PRIOR TO STARTING CONSTRUCTION. , e A S 12. INSTALLA77ON OF CORPORATE STOPS, WATER SERVICES, LINES AND METERS SHALL NOT BE DONE UN77L ALL SERVICE AGREEMENTS METER x w APPLICATIONS, CONSTRUC77ON PERMITS, AND PAYMENT OF FEES HAVE BEEN MADE TO THE CITY OF RENTON. 13. ALL CONNEC77ON TO EXISTING MAINS TO BE ACCOMPLISHED BY THE CITY DONALD J. HILL, PE OF RENTON, EXCEPT WET TAPS WHICH MAY BE MADE BY APPROVED WET TAP PROJECT MANAGER CONTRACTORS WI77-1 PRIOR APPROVAL FROM 774E WATER UTILITY SECTION. BRADLEY T. FREEMAN, PLS ALL NECESSARY EXCAVA77ON AND MATERIALS TO BE SUPPLIED BY 7HE CON7RACTOR AND BE ON 774E SITE PRIOR TO CITY NORFICA77ONS PROJECT SURVEYOR iNLUAM J. GOGpNPE GGIN, 14. INSPEC77ON WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY PROJECT EN GINEER OF RENTON. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE CITY INSPECTOR 24 HOURS IN ADVANCE OF BACKF7LLING ALL ,EFFREY L. COX, ASLA CONS7RUC770N. 774E CONTRACTOR AS WELL AS THE ENGINEERS SHALL KEEP PROJECT LANDSCAPE ARCHITECT AS -BUILT DRAWINGS. DATE: JULY 16, 2001 15. CON7RACTOR TO PROVIDE PLUGS AND TEMPORARY BLOW -OFF ASSEMBLIES FOR SCALE: HOIIIZ.: N/A VERT.:N/A TES77NG AND PURITY ACCEPTANCE PRIOR TO FINAL TIE-IN. 16, ALL JOINT RESTRAINT SYSTEMS (SHACKLE RODS, NUTS, BOLTS; ETC.) SHALL BE AS MANUFACTURED BY THE STAR MANUFACTURING COMPANY OF COLUMBUS, OHIO OR EQUAL APPROVED IN KRI77NG BY 774E WATER UTILITY SECTION. 1Z ASPHALT AND CONCRETE STREET PAVING SHALL BE SAWCUT TO A MINIMUM DEPTH OF TWO INCHES OIL MAT STREETS MAY BE SPADE CUT. ALL SURFACE CONCRETE, PAVEMENT, SIDEWALKS, CURB, GUTTERS, AND DRIVEWAY APPROACHES SHALL BE SAWCUT TO A MINIMUM DEPTH OF TWO 1, of k C,ti INCHES OR REMOVED TO AN EXIS77NG EXPANSION JOiNT. 18. A TEMPORARY COLD MIX ASPHALT PATCH SHALL BE PLACED ON THE DAY OF A INI77AL EXCAVAT70N WITH A PERMANENT, SEALED PATCH TO BE PLACED, TO CITY OF RENTON POLICY, WITHIN TEN DAYS. CALL FOR SUBGRADE INSPEC77ON PRIOR TO PLACEMENT OF FINAL PATCH. TRENCHES WILL NOT �0 28128 w� BE LEFT OPEN OVERNIGHT W1 THOUT PRIOR WRITTEN APPROVAL OF THE INSPECTOR. S (718TE���G�� S TONAL EZJ 19. FOR CITY PROJECTS SUCH AS TELEME7RY CONDUIT, 7HE PVC PIPE USED SHALL BE SCHEDULE 40 IN UNIMPROVED AREAS AND SCHEDULE 80 UNDER IMPROVED AREAS. ALL CHEMICAL PROCESS LINES SHALL BE SCHEDULE 80 i� EXPIRES 1/22/03 PVC PIPE. Checked for Compliance to City Standards r�X#_04 16101 AkIA Loy q- 10 -o i STAMP NOT VALID UNLESS SIGNED AND DATED JOB NUMBER 00- 022 ,> " I At 250F 26 02001 TRIAD ASSOCIATES A DFLU0 12 3 SCANNED FEB 15 2002 > CD C) o o 0. ' O r_ ITI o � d r� W 12 98 REFORMAT TO 11'x17' DCV DRT