REPAIR MAINTENANCE TO GI CI AND DI PIPE LINES SLUICE VALVES GATE VALVES BUTTERFLY VALVES INCLUDING CONNECTED ITEMS OF EXTERNAL WATER SUPPLY SYSTEM AT SECTOR B AND MISC WORK UNDER GE UTILITY AMBALA CANTT

Amount

Excavation in trenches not exc 1.50 metre wide not exc 1.50 metre deep in soft/ loose soil for laying of pipe line and getting out complete all as specified and directed by Engineer-in-Charge.

Returning filling in, including spreading leveling, watering and well ramming in layers not exc 25 cm all as specified and as directed by Engineer in Charge.

Removal of excavated soil to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above the starting point.

Taking down old UNSV DI pipe line of 300 mm dia size complete all as specified and directed.

All as per Item Sl No.4 here in before but of size 200 mm bore

All as per Item Sl No.4 here in before but of size 150 mm bore

All as per Item Sl No.4 here in before but of size 100/80 mm bore

Supply and laying Centrifugally Cast (Spun) Ductile Iron 300mm dia Pressure Pipes with Spigot & Socket end, Class K-9 conforming to IS: 8329/2000 and suitable for (push-on) rubber gasket jointing with centrifugally applied inside cement mortar lining as per IS: 455:1989 and external Metallic Zinc Coating as per annex A of IS 8329 with finishing layer of Bitumen coating as per Annex C of IS: 8329 complete all as specified.

All as per Item Sl No.08 here in before but of size 200 mm bore

All as per Item Sl No.08 here in before but of size 150 mm bore

All as per Item Sl No.08 here in before but of size 100 mm bore

Supply and fix in replacement Cast iron sluice valve 150 mm dia, flanged ends, stem (spindle) of SS (forged) and check nut of gun Metal, PN rating 1.6, working parts conforming to IS :14846, and flanged ends having drilling as per IS:1538 including taking down old unserviceable sluice valve complete all as specified and directed by Engr-in-Charge.

All as per item 12 here in before but 100 mm bore

All as per item 12 here in before but 80 mm bore

Supply and fixing cast iron fitting or ductile iron for spigot and socket /flanged pipe such as bends (any type radius and angle) tapers any type ( straight, bends, increasing, decreasing or double socket etc) Tee pieces single branch, 'Y' junction, double branch , cross collers , caps and plugs upto 300 mm bore complete all as directed by Engineer-in-Charge.

Supply and laying in replacement of Centrifugally Cast (Spun) Ductile Iron Pressure Pipes with Flanged end, Class K-9 conforming to IS: 8329/2000 and suitable for rubber gasket jointing incl nuts bolts with centrifugally applied inside cement mortar lining as per IS: 455:1989 and external Metallic Zinc Coating as per annex A of IS 8329 with finishing layer of Bitumen coating as per Annex C of IS: 8329 for 150 mm bore size including taking up old unsv cast iron pipe complete all as specified by Engr-in-charge.

All as per Item Sl No.16 here in before but of size 100 mm bore

Demolition of Cement Concrete(unreinforced) in ground floors and pavings n exc 15 cm thickness (below or above ground level) or under the over head tank/road cutting etc complete all as specified and directed.

M&L broken stone or boulders hardcore of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface all specified and directed.

M & L 75 mm thick PCC 1:4:8 type D2 (using 40 mm graded crushed stone aggregate) as in path or against cutting of road etc including form work complete all as specified and directed by Engr-in-charge.

Taking up/down steel tubing connection from trenches incl connected fittings/accessories complete of following sizes for re use of serviceable pipes and removing the U/S pipes from site to safe custody of 80 mm bore.

All as per srl item No.21 here in before but of 50 mm bore

All as per srl item No.21 here in before but of 40 mm bore

All as per srl item No.21 here in before but of 25 mm bore

All as per srl item No.21 here in before but of 20 mm bore

Supply, fixing & testing on wall or laid under floor GI pipe 25mm medium grade ISI marked with all fittings complete all as specified for following sizes.

All as per srl item No.26 here in before but of 20 mm bore.

Supply, laying & testing in trenches GI pipe medium grade ISI marked with all fittings complete all as specified for 80 mm bore

All as per srl item No.28 here in before but of 50 mm bore.

All as per srl item No.28 here in before but of 40 mm bore.

All as per srl item No.28 here in before but of 25 mm bore.

All as per srl item No.28 here in before but of 20 mm bore.

Supply and fixing in replacement of gun metal gate valve ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe of size 50mm bore including fixing nipple, union or fitting as per site requirement complete all as specified and directed by Engineer-in-Charge.

All as per item 33 here in before but 40mm bore

All as per item 33 here in before but 25mm bore

All as per item 33 here in before but 20mm bore

S&F in replacement Butterfly Valve lever operated conforming to IS 13095 of size upto 150 mm dia PN 1.6, connected with two end flanges, nut-bolts rubber gasket etc including taking down old unserviceable one complete all as specified and directed.

S&F in replacement of PVC float valve 20mm dia high pressure with polythene float and fly nut and with one GI socket 20mm and connected items complete incl taking down old u/s one.

All as per item 38 here in before but 15 mm bore

M&L for brick masonary valve pit of size 900 x 900 x 900mm dimensions, one brick thick valve pit of following internal dimension with two nos. RCC slab covers of siutable size with handles to lift atleast 75mm thick having provision of valve key slot , earth work and PCC in foundation (1:3:6) Type C2 using 40mm graded stone aggregete 150 mm thick, PCC in coping on top (1:2:4),Type B1 using 20mm graded stone agregate 100mm thick including rendering 15mm thick and two coat of white wash on exposed surfaces on external wall above ground level incl demolition of old unserviceable existing one complete all as specified and directed by Engr-in-charge.

All as per item 40 here inbefore but 1200 x 1200 x 1200 mm. Note for item No 40 & 41: (i) Cost of RCC slab are inclusive in the quoted rates. (ii) Drawing bearing No STD-1258 Sh 1/1 dated 30 Nov 1993 amended upto 15 Sep 2000 shall be followed.

Demolition of brick work built in cement mortar incl all quoins, arches, pillars, in any situation etc complete all as specified and directed by Engr-in-Charge.

Taking down cement plaster from brick wall including racking out joints ,hacking for key scrubbing down with water complete all as specified and directed by Engr-in-Charge.

Material and labour brick work with sub class 'B' bricks straight or curved on plan exc 6 m mean radius built in CM 1:6 complete all as specified and directed by Engr-in-Charge.

Material and labour 15 mm thick cement plaster in cement mortar 1:4 on fair faces of brick walls or concrete external surfaces finished even & smooth without using extra cement, complete all as specified and directed by Engr-in-Charge.

Repacking stuffing box of sluice valve spindle including taking apart and reassembling of size 80 to 300mm bore size all as specified and directed by the Engr-in-Charge.

Taking out sluice valves, regrinding and refixing including replacement of spindle, check nut complete assembly and to make serviceable of size 80 to 150mm bore size all as specified and directed by the Engr-in-Charge.

Maintenance and repair to water supply services of leakage blockage of GI pipe line 15mm to 80mm dia including dewatering and necessary excavation returning / filling or cutting, chasing and making of disturbed surfaces as per existing surface and replacing worn out GI pipe max upto 2 mtrs long including cutting threading and replacement of requisite fittings as socket, union, tees, long screwes nipple, hexa nipple , reducer etc complete all as specified and directed by Engr-in-Charge.

Maintenance and repair to leakage/blockage of water supply CI/DI pipe line 100 mm to 300 mm dia including necessary excavation required for taking out, burning out lead joint or damaged rubber ring/hole from position and making the disturbed surfaces as per existing surface after replacing new spun yarn and lead joint or Tyton joint/D-joint or necessary fitting required as per site properly and making the pipe line leak proof completly to the entire satisfaction of Engineer-in-Charge.

M & L for making Header 350 mm dia of 11 meter length for two raising main pipe line 150 mm from TW-20A and 24 and one raising main of 200 mm CWL line at OHT 20 with complete asessories such as pipe of suitble size valve and connecting items complete all as specified and directed.

M& L for cleaning of sump no. 01, 02 and 03 at Babyal and booster no. 15,13 & 12 with complete servicing of connected acessories complete all as specified and directed by EIC.

Maintenance and repair to leakage/blockage of water supply CI/DI pipe line of OHT raising main and delivery line T & P and safety equipment required for reactify leakage will be the complete responsibilty of contractor to the entire satisfaction of Engineer-in-Charge.

Note:- Amount of credit of Rs. 511820.00 for retrieved materials is mentioned in Schedule of Credit attached in tender documents in pdf form which will be deducted offline while acceptance of tender.

M/S HARCHARAN SINGH

JS CONSTRUCTION COMPANY

M/S M S BUILDER AND CONTRACTORS