REPAIR/MAINTENANCE OF WATER SUPPLY PIPE LINES AND ALLIED WORKS IN SOUTHERN SECTOR AND REPAIRS OF DISTRIBUTION /RAISING MAINS INCLUDING CLEANING OF OH AND UG RESERVOIRS AT MIL STN 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/ductile 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

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

80mm bore

100mm bore (Note for item 6.10 to 6.30: - Excavation and earth work shall be measured and paid separately)

Laying/fixing steel water tubing, galvanised, medium grade with and including all new GI fitting, laid in trenches, complete all as specified and directed of following bore of pipes: - 20mm bore Note :- (i) GI pipes shall be issued under Schedule 'B' free for fixing only. (ii) All the GI fittings as required shall be provided by the Contractor & the same deemed to be included in the quoted unit rate.

25mm bore

50mm bore (Note for item 7.10 to 7.30: - Excavation and earth work shall be measured and paid separately)

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

25mm bore

40 mm bore

Laying/fixing steel water tubing, galvanised, medium grade with and including all new GI fitting, fixed to walls, ceilings or laid in floors complete all as specified and directed of following bore of pipes: - 20mm bore Note :- (i) GI pipes shall be issued under Schedule 'B' free for fixing only. (ii) All the GI fittings as required shall be provided by the Contractor & the same deemed to be included in the quoted unit rate.

25mm bore

Supply & fixing in renewal of 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/fixing, connecting, jointing and testing ductile iron pressure pipe for water mains,centrifugally cast with spigot and socket ends (for push on joints) class K-7, in any length in trenches, under floor, under road and 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 11.10 to 11.30: (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, & including taking down old u/s pig lead complete all as specified and directed for following bore pipes:- 150 mm bore

100 mm bore

80 mm bore

Supply and fixing in renewal of 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 1100 x 1100 x 1000 mm (internal dimensions) 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) , 3mm thick MS plate welded provision of hinges, handles, locking arrangement, ISA 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, nild 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, including two coats cement based painting on plastered surfaces and two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer on steel surfaces complete for chamber and including dismantling of old u/s existing chamber 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

150 mm bore

S & F 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 and including taking out old u/s existing fittings 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 pump house 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.

S&F 250 Ltrs capacity rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position & incl dismantling existing water tank, complete all as specified and directed.

M&L for spray painting of water header and distribution pipes of upto 150 mm bore and upto 5.0 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.

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. Note :- GI conduit for protection of copper cable approx 30 mtrs shall deemed to be included in the quoted rate.

S&F in renewal of mild steel ERW pipe distribution header of under mentioned size & including branches complete with welding works with & including 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 310 mm outlet dia with wall thickness 6 mm ERW pipe 3.00 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). (iii) Branch connection of ERW pipe of 50 mm bore (NB) with wall thickness 5.40 mm - 01 No (Note: One 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 to be included in the quoted rates. (iii) Length of each branch pipe shall be 2.0 m. (iv) Fittings such as Tee, bends, taper, section etc and provision for fixing of butterfly valve etc shall be deemed to be included in the quoted unit rates.

REPAIRS OF DISTRIBUTION /RAISING MAINS INCLUDING CLEANING OF OH AND UG RESERVOIRS

Cleaning of water reservoir tanks of capacity as mentioned by mechanised system at various places of Military Stn Kota as described under :- Stage-I : Mechanised dewatering should be done by submersible dewatering pump having suitable outlet discharge and control panel without any trouble. Stage-II : Desilting and removal of left over dirty water sludge with sludge removal pump. Proper sludge pump and wash out pipes should be used. Water jet with the help of equipment which creats a pressure of 100-150 bar : Cleaning should be done by high pressure cleaner, fully automatic control auto start – stop, imported high pressure cleaning machine having F-class insulation protection. The heavy duty machine should be operated by HPC pressure of 10-150 bar. Stage III : The machine should have imported twin steel core protection rubber high pressure hose to safely withstand operating pressure of 250 bar and two cleaning lances. One with rotary jet and second one a flat jet for effective drinking water. Stage-IV : Removal of remaining sludge from the flor with the help of industrial vacuum cleaner : (a) Removal of remaining sludge with the help of imported heavy duty industrial vacuum, cleaner and sludge sucker having max power of 1200 watt with suitable heavy duty rugged motor.

Item 28.00 Contd...... (b) Imported sludge sucker should be a part of the high pressure system which sucks and throws the same out of the tank this must handle solid partials as well. Stage-V : Spray of non toxic, biodegradable, ECO friendly, anti bacterial, agent certified by Govt, approved laboratory to disinfect the tank from all harmful pathogens, the doser utilized should be safe as per the DECD gudline 423 adopted 7th December 2001. Note: (i) All safety gadgets like safety belts, special safety belts, special safety ladders, helmets, heavy duty gum boots, electric safety gloves and special working gloves, saftety masks, aprons etc. for complete security and operation shall be used by well trained workers to be deployed under this contract. (ii) Certificate for non toxicity of anti bacterial agent as per the DECD guide line 423 adopted on 7th December 2001 need to be submitted by the contractor. (iii) Electricity required for cleaning purpose will be provided by the Deptt free of cost.

RCC under ground sump of capacity 1.2 Lakh gallons.

RCC under ground sump of capacity 1.0 Lakh gallons.

RCC under ground sump of capacity 0.5 Lakh gallons.

RCC under ground sump of capacity 0.25 Lakh gallons.

RCC under ground sump of capacity 0.20 Lakh gallons.

RCC under ground sump of capacity 0.15 Lakh gallons.

RCC over head tank of capacity 1.5 Lakh gallons.

RCC over head tank of capacity 1.0 Lakh gallons.

RCC over head tank of capacity 0.50 Lakh gallons.

RCC over head tank of capacity 0.40 Lakh gallons.

M & L for marking of date of cleaning on tanks by making rectangular base of size 45cm x 30 cm with black synthetic paint with white border and writing date of cleaning with white letters complete all as specified and directed.

S&F in renewal of MS foot valves flanged end swing type operation with rubber seat as per IS-4038 of following types, including nuts, bolts and washers etc complete all as specified and directed:- 50 mm bore

80 mm bore

100 mm bore

Supplying, laying, jointing testing and commisioning XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 1100 Volt grade of cross-sectional area 35 Sqmm, 3.5 core, laid in trenches / ducts / encased in GI pipe / fixed to pole/wall and including taking out old u/s cable complete all as specified and directed.

M&L dry clean Sand filling in trenches around underground cables for earth cushion, complete all as specified and directed. Note: - Depth of sand shall be measured after punning.

Supplying and laying pulverized fuel Ash-lime bricks (Fly ash bricks - non modular size), laid flat adjoining each other as in protection to UG cables, complete all as specified and directed.

S & F in renewal of aviation obstruction light with all accessories, fixed on top of OH tanks with and including lamps of capacity 2x100 W complete all as specified and directed.

M/s Prem Associates

M/S MOHINI ENTERPRISES

Shiv Construction Company

Aditya Enterprises