REPAIR/MAINTENANCE OF UNSERVICEABLE DISTRIBUTION WATER SUPPLY FITTINGS, SLUICE VALVES, GATE VALVES, RUSTED PIPE LINES ETC IN NORTHERN AND CENTRAL SECTOR AT MILITARY STATION KOTA

Amount

Excavation in trenches not exc 1.5 m wide and not exc 1.5 m deep for foundation etc or for shafts, column footings or for laying cables/pipes etc not exc 10 Sqm on plan and getting out in soft/loose soil, complete all as specified and directed.

Returning filling in soil including spreading, leveling, watering and well ramming in layers not exc 25 cm thick, complete all as specified and directed.

Removal of excavated surplus soil to distance not exc 50 Mtr and deposting where directed at a level not exc 1.5 Mtr above the starting point complete all as specified and directed.

Taking up cast iron water main (including all fittings), with spigot and socketed ends jointed with run lead joints including burning out lead of joints and collecting run lead for re-use, cleaning serviceable pipe internally/externally for re-use, stacking properly in safe custody in storeyard of AGE E/M and removing unserviceable pipe from site complete all as specified and directed for following bore pipes:- 80 mm bore

100 mm bore

150 mm bore (Note :- Excavation and earth work shall be measured and paid separately)

Taking up or down steel water tubing and connections including cleaning serviceable pipe internally/externally for re-use, complete all as specified and directed for following bore of pipes: - 20 mm bore

25mm bore

40 mm bore

50mm bore

80mm bore

100mm bore (Note for item 4.01 to 4.06: - Excavation and earth work shall be measured and paid separately)

Supply & laying/fixing steel water tubing, galvanised, medium grade with all fitting, laid in trenches, complete all as specified and directed of following bore of pipes: - 40mm bore

50mm bore

80mm bore

100mm bore

Supply & laying/fixing 40 mm bore steel water tubing, galvanised, medium grade with all fitting, fixed to walls, ceilings or laid in floors, complete all as specified and directed.

Supply & fixing union for GI pipe, both ends screwed to iron pipe or one flanged end bedded in red lead cement and other end screwed to iron pipe etc, complete all as specified and directed of following bore of pipes: - 20mm bore

25mm bore

Supply, laying in trenches, under floor, under road, connecting, jointing and testing ductile iron pressure pipe for water mains,centrifugally cast with spigot and socket ends (for push on joints) class K-9, in any length, complete including making and fixing suitable size clamps at place of CI/DI line joint, complete all as specified and directed for following bore pipes:- 80 mm bore

100 mm bore

150 mm bore Note for item 9.01 to 9.03: (i) Rubber tyton or run lead joints of pipes shall be measured and paid separately under respective items here-in-after. (ii) Cast iron fittings/specials shall be measured and paid separately under respective items here-in-after.

M & L for joint with rubber or fibre board gasket for flanged pipes and fittings including providing nuts, bolts, washers etc and white lead or mineral oil after taking down existing joint, complete all as specified and directed for the following bore of pipes: - 150 mm bore

100 mm bore

80 mm bore

M&L for run lead joint for CI/DI spigot and socketed pipes and fittings including allied jointing material i.e. spun yarn etc, complete all as specified and directed for following bore pipes:- 150 mm bore

100 mm bore

80 mm bore

Supply and fixing in repairs for Gun-metal, globe or gate valves, ISI marked with iron wheel head, screwed both ends for iron pipe and fixed of followig bore :- 20 mm bore

25mm dia

40mm dia

50mm dia

Taking down old unserviceable butterfly valve and supply and installed, connecting and testing of butterfly valve, class PN 1.6 double flanged, long type, lever operated, ISI marked (IS-13095:1991, reaffirmed 2003) including jointing materials such as rubber gasket, carbon steel nuts, bolts and washers etc, fixed to water mains, complete all as specified and directed of the following sizes :- 50mm bore

80 mm bore

100 mm bore

150 mm bore

Material and labour for valve chamber of size 1000 x 900 x 1000 mm with PCC (1:2:4) type B1 using 20 graded aggregate as in foundation 100 mm thick brick masonry one brick thick wall in CM (1:4) coping with PCC (1:2:4) type B1 50 mm thick, plastering internal and external walls upto 150 mm below GL in CM (1:4) , 50 mm x 50 mm x 6 mm thick angle iron frame for chamber cover fixed with the chamber using 4 Nos hold fasts made of 50 x 6 mm thick MS flat iron of suitable length, mild steel chamber cover 4 mm thick, brazed with 50 x 6 mm MS flats, fixed with handle made of 10 mm dia MS bar suitably welded of 200 mm length and locking arrangement two coat cement based painting on plastered surfaces and two coats of synthetic enamel paint over a coat of red oxide primer on steel surfaces complete for chamber complete all as specified and directed.

All as per item 14.00 herein before but size of valve chamber 600x600x600 mm, complete all as specified and directed.

M&L for rubber gasket joints (push on joints) for spigot socket end ductile iron water mains/ductile iron specials, complete all as specified and directed for the following bore: - 80 mm bore

100 mm bore

M&L for ductile iron fittings for upto 150 mm bore spigot socketed pipes such as bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.), Tee pieces, single branch, "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs etc, complete all as specified and directed.

Taking down old unserviceable non return valve and supply and installing, connecting and testing of cast iron non return valve, double flanged/built weld end bolted cover, swing check type, ISI marked, designed as per BS-1868, pressure rating PN 1.6, including jointing materials such as rubber gasket, carbon steel nuts, bolts and washers etc, complete all as specified and directed of the following sizes :- 80mm dia

100 mm bore

Taking down old unserviceable sluice valve and supply and installed, connecting and testing of sluice valve, class PN 1.6 double flanged CI body, wheel and brass spindle and nuts, non rising type, IS-14846 ISI marked including jointing materials such as rubber gasket, carbon steel nuts, bolts and washers etc, complete all as specified and directed of the following sizes :- 150mm bore

100 mm bore

80 mm bore

M&L for finding pipe leakages of any length, type and bore, rectification of valve and joint leakages of any kind such as run lead joint/spigot and socket joint/flange joint/D joint etc including welding and provision of jointing materials/joint such as lead/flanges/clamps/jute/rubber gasket/nuts/bolts/washers/ grease/socket/D joint etc and testing of water line in presence of JE/Engr in Charge, complete all as specified and directed. Notes: (i) Cost of earth work in any type of soil, cutting and making good of road, fixing of joint, T&P etc as required at site shall be deemed included in the unit rates. (ii) Rubber tyton or run lead joint of pipes shall be measured and paid separately under appropriate items. (iii) Leakge shall be rectified within 24 hours after information failing which a penalty of Rs 500.00 per hour per complaint shall be imposed on the contractor for delay in rectification of leakage.

M&L for cleaning of surrounding area of E/M installations by surface dressing upto 10 cm average depth including removing shrubs, grass, implants, small bushes, branches of tree and other unwanted materials/stones etc and leveling, complete all as specified and directed.

M&L for painting of water header and distribution pipes of upto 150 mm bore and upto 3.0 m length in blue colour with two coats of synthetic enamel paint over a coat of red oxide zinc chromate primer after preparation of surfaces and writing name of distribution lines on water header in white colour, complete all as specified and directed.

M&L for repair of water header leakages including disconnecting existing pipe line connection from header, lifting to required height for repair, replacement of iron plate not less than 6 mm thickness and welding, complete all as specified and directed.

Laying/fixing galvanised steel water tubing, with all fitting, laid in trenches, complete all as specified and directed of following bore of pipes: - 20mm bore

25mm bore

50mm bore (Note: GI pipes shall be issued under Schedule 'B' free for fixing. However, all the GI fittings as required shall be provided by the contractor.)

Laying/fixing galvanised steel water tubing, with all fitting, fixed to walls, ceilings or laid in floors, complete all as specified and directed of following bore of pipes: - 20mm bore

25mm bore (Note: GI pipes shall be issued under Schedule 'B' free for fixing. However, all the GI fittings as required shall be provided by the contractor.)

Laying in trenches, under floor, under road, connecting, jointing and testing 150 mm bore ductile iron pressure pipe for water mains, complete including making and fixing suitable size clamps at place of CI/DI line joint, complete all as specified and directed. (Note: DI pipes shall be issued under Schedule 'B' free for fixing. Rubber gasket joints shall be measured and paid separately)

Dismantling old water level indicator of any type and Supplying, installation and testing of digital water level indicator device, operating on single phase supply, direct display in 150 mm size digit display system which must show water in meter/centimeter or gallon of water level of sumps/OH tanks ensuring alarm while water fall or rise at predetermined limit 1 minute auto off alarm. The entire unit shall operate through and including a compact electronic circuit which must ensure reliable operation at 230 volts + 5% with digit display and alarm at high/low level of sumps/OH tanks. The circuit shall be housed in MS CRC sheet box with nylon moulded connection strips. The level system shall be corrosion proof from water and other substances available in water. The system shall be controlled through a micro switch and should not be a sensor based system. The whole unit shall be electronically controlled and the upper level and lower level indicator must be highly sensitive to micro switch. The complete unit must be in two parts. Each complete part must be fitted in MS CRC sheet box separately duly powder coated. One must be installed at sumps/over head tank and second at pump house. Required flexible copper control cable of 1.50 Sqmm, 3 core shall be provided from Sumps/Overhead tanks to pump house to be provided for connection to both units duly protected in GI pipe of medium grade 25mm bore.

S&F in replacement of mild steel ERW pipe distribution header of under mentioned size inncluding branches complete with welding works with two coats of synthetic enamel paint over a coat of red oxide primer, complete with end plates including testing and commissioning complete including provision of the following: - a) Main header: Main header of size 450 mm outlet dia with wall thickness 10 mm ERW pipe 3.50 m long complete with end plates 10 mm thick welded at both ends. b) Incoming: Incoming branch of size 150 mm bore (NB) with wall thickness 5.40 mm ERW pipe - 02 Nos c) Outgoing: (i) Branch connection of ERW pipe of size 150 mm bore (NB) with wall thickness 5.40 mm - 02 Nos (Note: Two number branch suitable to fix valve with end plate 10 mm thick) (ii) Branch connection of ERW pipe of 100 mm bore (NB) with wall thickness 5.40 mm - 02 Nos (Note: Two number branch suitable to fix valve with end plate 10 mm thick).

Item 28.00 Continued …… (iii) Branch connection of ERW pipe of 80 mm bore (NB) with wall thickness 5.40 mm - 02 Nos (Note: Two number branch suitable to fix valve with end plate 10 mm thick) Notes: (i) Thickness of MS flange shall be 8 mm or nearest higher thickness as available in the market. (ii) Cost of cutting, welding, end plates, flanges, rubber gasket, connection, nuts, bolts, washers, PCC work, brick work, earth work and plastering etc shall be deemed included in the quoted rates. (iii) Length of each branch pipe shall be 3.0 m. (iv) Fittings such as Tee, bends, taper, section etc and provision for fixing of valves etc are deemed inclusive in the quoted unit rates.

SINGH ENTERPRISES

Ganesh Contruction

K B ENTERPRISES

Jain Electricals

TARKESHWAR DASS CONSTRUCTION COMPANY

S.S Enterprises

ANNAPURNA ENTERPRISES

M/s Prem Associates