Miscellaneous repairs to external water supply lines and connected works at Nabha Mil Station

Amount

Excavation in trenches in soft soil not exceeding 1.50 metre wide & not exceeding 1.50 metre deep for foundation ,for laying of water supply pipe line in trenches and getting out including dressing/trimming sides and levelling, grading and ramming of bottom of excavation complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming excavated soil in layers not exceeding 25 cm thick each, excavated soil in trenches after pipes have been laid and tested, complete all as specified and directed.

Removing excavated surplus spoil to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified.

Cutting of road /PCC path upto the depth of pipe & making good the disturbed surface with PCC 1:2:4 (20 mm aggregate) using extra cement including earth work complete all as specified and directed.

Taking up or down steel water GI tubing, 80 mm bore including fitting connections and cleaning tubing, fitting/ cutting threading of serviceable tubing for relaying and removal of unserviceable tubing all as directed by Engr-In- Charge .

All as per serial item no 5 but 50 mm bore

All as per serial item no 5 but 40 mm bore

All as per serial item no 5 but 25 mm bore

All as per serial item no 5 but 20 mm bore

All as per serial item no 5 but 15 mm bore

S & F Steel water tubing, 80 mm bore, medium grade, galvanised with all fittings and fixed to walls and ceiling or laid in floors complete all as specified and directed.

All as per serial item no 11 but 50 mm bore

All as per serial item no 11 but 40 mm bore

All as per serial item no 11 but 25 mm bore

All as per serial item no 11 but 20 mm bore

All as per serial item no 11 but 15 mm bore

Fixing/laying only water tubing 80mm bore fixed to walls and ceiling or laying in floors including cleaning the old pipe for reuse, with new fittings & fixtures to make it functional complete all as specified and directed. Note : Old serviceable tubing as retreived under item No.5 shall be re-used under this item.

All as per serial item no. 17 but 50mm bore

All as per serial item no. 17 but 40mm bore

All as per serial item no. 17 but 25mm bore

All as per serial item no. 17 but 20mm bore

All as per serial item no. 17 but 15mm bore

S&F in replacement, Gun metal globe or gate valve, 20 mm bore (Class-I) ISI marked, with iron wheel head screwed both ends for iron pipe complete all as specified.

S&F in replacement, Gun metal globe or gate valve, 25 mm bore (Class-I) ISI marked, with iron wheel head screwed both ends for iron pipe complete fixed as in repair all as specified.

S&F in replacement, Gun metal globe or gate valve, 40 mm bore (Class-I) ISI marked, with iron wheel head screwed both ends for iron pipe complete all as specified.

S&F in replacement, Gun metal globe or gate valve, 50 mm bore (Class-I) ISI marked, with iron wheel head screwed both ends for iron pipe complete all as specified.

Taking up/out Cast/ Ductile iron water mains including all fittings with spigot and socketed ends or flanged ends including burning out lead joints or dismantling flanged joints for pipe of following bore complete all as specified and directed. Note: (i) Excavation and earth work shall be measured and paid separately.

Pipe of 100mm bore

Pipe of 150mm bore

Material & labour for laying, jointing and testing Ductile iron water pipes class K-7 conforming to IS, in any length including jointing with push on rubber tyton joints, as in trenches of following bore in new or old locations of following sizes. (Excavation, earth work & DI specials shall be measured and paid separately. However, the rate of Rubber tyton joints shall be included in the unit rate quoted). Make: ELECTROSTEEL / ELECTROSPUN

100mm bore complete all as specified and directed.

150mm bore complete all as specified and directed.

Laying, jointing and testing serviceable Cast/ Ductile iron pipes with flanged end or spigot and socketed ends as retrieved vide item No. 3 here-in-before in any length including cleaning, cutting for reducing length as required, jointing as in trenches for following bore in new or old locations. (Excavation, earth work, joints, threading & CI specials shall be measured and paid separately).

Pipe of 100mm bore

Pipe of 150mm bore

Cutting existing cast iron pipe of following bore of any description for insertion of fittings and setting the pipe in proper alignment complete all as specified and directed. (Excavation earth work and fittings shall be measured and separately).

Pipe of 80 mm bore

Pipe of 100mm bore

Pipe of 150mm bore

Construction of brick masonary valve pit of size 90 x 90 x 90 cm (Internal dimension) incl necessary earth work, PCC foundation 1:3:6 a type C-1 and MS sheet 3 mm thick cover with angle iron frame 40 x 40 x 6mm including provision of suitable hold fasts to hold the frame, locking arrangement and lifting handle, duly painted with two coats of synthetic enamel paint over a coat of red oxide primer all as shown in drg held with GE office complete all as specified directed

All as per serial item no 31 but pit size 60x60x90

All as per serial item no 31 but pit size 120x120x90

S&F in replacement, Cast iron sluice valve, 150mm dia conformig to IS - 14846, PN 1.6, clockwise dosing with flanged ends and iron wheel including necessary joints by means of bolts, nuts washers and rubber gaskets complete including taking down old unserviceable sluice valve all as specified and directed.

All as per serial item no 34 but of 100 mm dia.

All as per serial item no 34 but of 80 mm dia.

Disamantling joints of flanged pipes in position including removing old rubber fiber board gasket bolts , nuts etc bore of pipes in 150/100/80 mm dia and reassembling of joints of flanged pipes in position with new ribber or fiber board gasket bolts nuts & washers all as directed.,

Supply & fixing gland packing fiber board gasket for sluice valve of 150 / 100mm/80 mm dia including taking down of old gland packing all as specified & directed

Taking out unserviceable wheel shaft of cast iron sluice valve from pit /column pipe of 150 /100/80 mm dia & carrying to the workshop for cutting, threading, grinding etc & refixing the same after repair complete all as specified & directed by Engineer-in-charge.

M& L for Drilling and tapping of GI/ CI/DI water line for branch connection of 15 mm to 50mm pipe with clamp & connected accessories complete all as specified & directed.

Cleaning and disinfection of entire internal surfaces of chamber of RCC overhead reservoir both compartment of capacity One Lakh gallon at 70 to 80 ft staging at Nabha Military Station including all required T & P and manpower comprising of the following processes. (a) Draining out water and evacuation of internal surfaces including floor and ceiling with mechanical pressure machine by applying solution of H2 02 (Hydrogen per Oxide) in the ratio of 1: 100 (1 LT of H202 and 100 Ltr of water). (b) Disludging the dirt layers with high speed water jet including scrapping the surface with wire brush and draining out the sludge water. (c) Cleaning the internal surfaces complete with Mechanical Scrubber and washing the surfaces with high-pressure water jet. (d) Filling the chambers with clear water and washing out prior to reuse after complete process. (e) Writing on the surface of tank date of cleaning as specified and as directed

Taking down old unserviceable non return valve of 150 mm dia from existing position and supply & fixing cast Iron non return valve of 150 mm dia conforming to IS 14846 with flanged ends including necessary joints by means of bolts and nuts washers and rubber gasket complete all as specified & directed. .

Supply only sodium hypochlorite solution as per the specifications of IS-11673 Gde 1st and as directed by the Engineer-in-Charge complete all as specified and directed.

Detecting the leakage from underground CI pipe 150 mm bore and rectifying the leakage by burrning out existing lead and redoing the joint by adding extra lead if required complete all as directed.

Detecting the leakage from underground CI pipe 100 mm bore and rectifying the leakage by burrning out existing lead and redoing the joint by adding extra lead if required complete all as directed.

Detecting the leakage from underground CI pipe 80 mm bore and rectifying the leakage by burrning out existing lead and redoing the joint by adding extra lead if required complete all as directed.

M& L for painting steel or iron surface of any description wih two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

M&L in replacement of Old Unserviceable MS sheet pit cover of 3.15 mm thick along with angle iron frame,locking arrangements and necessay civil works including taking up old iron cover complete all as specified and directed.

Supply conecting and testing and comissioning complete in replacement electric cable PVC insulated and PVC sheathed water proof 3 phase 3 core AC 1100 volts grade 25 sqmm starnded copper conductor suitable for submersible pump including making connection to pump set as well as to control panel complete including taking out old cable all as directed

M & L for carrying out repairs to submersible pump of capacity upto 40 HP after dismantling the assembly complete for replacement of worn out spares such as stage bowls, impellers, pump shaft, sleeves, bushes etc with and incl filling, turning & polishing work to pump shaft, gun metal impellers as necessitated and re-assembling the pump after repairs incl applying a coat of water proof epoxy paint to the external surfaces of pump and testing complete all as specified and directed :- Note: Any spares required to be replaced will be measured and paid separately under respective item of Schedule ‘A’ Note : (A)Lifting up submersible pump set of any capacity along with MS column flanged pipe 125/150 mm dia bore and submersible cable 3 core of size upto 25 Sqmm from existing bore well at different loaction including dismantelling cable connection etc complete all as specified and directed upto 35 mtr depth (b) Submersible cable, column pipe to be stacked in suitable place at pump house for checking/inspection cleaning properly (c) All T & P and transportation charges to and fro Nabha mil stn to workshop shall be deemed included in the qouted rate. (d) Lowering of submersible pump set after repair alongwith MS column pipe 150 mm dia, making flanged joints , cable connection to submersible pump complete all as specified and directed depth upto 35 mtr.

M&L for rewinding of submersible motors AC, 3 phase, 440 Volts,upto 40 HP capacity, 75 Mtr head, with PVC insulated copper submersible winding wire of identical gauge and specification of the existing winding wires with all necessary insulating materials including cleaning of stator and slots and applying a coat of water proof epoxy paint to the exterior surfaces of motor and testing on load complete Note: Any spares other than specified in the above item will be measured and paid separately under respective item of Schedule ‘A’.

Supply only Motor bush upper and lower suitable for submersible Motor complete all as specified and directed.

Supply only Rotor bearing sleeves upper and lower of existing description & make suitable for submersible motor of any size / capacity complete all as specified and directed.

Supply only Motor thrust bearing assembly complete of existing description & make suitable for submersible pump of any capacity.

Supply only Motor housing upper suitable for submersible pump of any capacity complete all as specified and directed.

Supply only Motor housing lower suitable for submersible pump of anycapacity complete all as specified and directed.

Supply only Gun metal impellers with key and bushes suitable for 22000 GPH complete all as specified and directed.

Supply only Pump shaft stainless steel suitable for 22000 GPH complete all as specified and directed.

Supply only Bearing bush of existing description suitable for submersible pump of 22000 GPH complete all as specified and directed.

Supply only Cast iron bowl assembly complete with stage bolts suitable for submersible pump 22000 GPH complete all as specified and directed.

Supply only Neck rings for 22000 GPH submersible pump of any capacity complete all as specified complete all as specified and directed.

Taking down centrifugal pump set of 10 HP from foundation after unscrewing nuts/bolts,inlet-out flanged pipes and carrying to workshop for repairs and reassembling after necessary repairs which shall include following elements- (1) Disconnecting the pump from motor after unscrewing the coupling nuts/bolts (2)Strip opening the pump for segregation of unserviceable parts. (3) Necessary lathe work for repair to pump.(4) reassembling the pump and reinstallation in the installation including necessary transportation. (5) Paint to pump with one coat of synthetic enameled paint matching with existing colour of motor. NOTE: (i) Any spare part to be replaced shall be measured and paid seperately under respective item of this sch here-in-after, complete all as specified and directed. (ii) All T & P and transportation charges to and fro Nabha mil stn to workshop shall be deemed included in the qouted rate.

Rewinding of 10 HP motor stator with existing size and gauge of super enameled copper winding wire and insulating material compleyte all as specified and directed.

Supply only gun metal bush matching with the size of shaft as per sample complete all as specified and directed.

Supply only stainless steel shaft to match the existing manufacturers design complete all as specified and directed.

Supply only Automatic star delta starter panel moounting type complete3 phase 415 volt upto 40 HP capacity complete fixed as in repair all as specified directed.

Supply and Fixing of S.S Glycerin filled Pressure Gauge 150 mm size 0-21 kg / cm , including U bend, GI Pipe and Brass valve arrangement along with pipe fitting complete in all respects

S&F MCCB, 200 Amps 3 pole, with adjustable thermal magnetic setting, 415 volt breaking capacity 36 KA including taking down the old one, complete all as specified and directed.

S&F MCCB, 63 Amps 4 pole, with adjustable thermal magnetic setting, 415 volt breaking capacity 25 KA including taking down the old one, complete all as specified and directed.

S&F brass tap of 15 mm dia including fittings such as socket,nipple ,elbow as well as taking down unserviceable tap, complete all as specified and directed.

Repair to existing GI pipe 20/25mm by providing GI fittings i.e Elbow, Nipple, Union socket, Tee, Reducer socket etc. as per site requirement including cutting, threading, inserting necessary fittings for jointing existing pipe complete to ensure the joints leak proof for 20/25mm bore pipe, including removing of existing unserviceable pipe to MES store yard, complete all as specified and directed. Note:- (i) These jobs are meant for rectification of leakage / blockage in existing distribution network. (ii) Unit rate quoted against this item includes for necessary excavation & earth work all as directed. (iii) During repair it may necessitated the involvement of bailing out water and work as in mud/wet conditions, so contractor shall arrange all necessary arrangements to avoid stagnation/pending of water in nearby area. Unit rate quoted against this item deemed to be included for all such expences. (iv) Taking down & refixing existing GI pipe for replacement of defective GI fittings is the part of the Job. New GI pipe upto 1 metre wherever required during rectification is the part of the Job. The rate deemed to be included in the quoted rate against this item.

All as per item No. 73 hereinbefore but Pipe of 40/50 mm bore

Replacement of defective unserviceable 'D' joints , clamps, sockets etc for CI pipe 150/100/80 mm dia including cutting /threading and other allied work including earth work complete all as directed.

S & F fixing cast iron pipe with flanged end centrifugally casted class LA in any length 150 mm bore in rising/supply main of O/H reservoir with rubber gasket, nuts & bolts with washers complete including required T&P. Make:- Electrosteel / Keshoram NOTE:- (i) The required castigating Scaffolding upto the height of 25 mtrs for opening and fixing of CI Pipe of OH reservoir, Chain pulley Assy, Lifting Jack for holding vertical pipe and other misc T&P items shall be arrangement of the contractor and the cost thereof shall be included in the unit rate quoted.

S&F Change over switch 100 Amps 415 volts, fixed as in replacement of old unserviceable switch, complete all as specified and directed.

S&F Sintex Tank double layer storage capacity of 250 Ltrs of complete all as specified.

Supply and fixing in replacement Bib Tap size 20mm bore dia of pipes standard PTMT and colour high pressure screwed for iron pipe and fixed with nipple/ elbow and socket if required all as specified and directed. Make : PRAYAG

Cast iron fittings of size upto 100/150 mm bore for spigot and socketed pipes e.g. Bends (any type, radius and angle). Tapers any type (Straight, end, increasing, decreasing or double socket etc). Tee pieces single branch, 'Y' junctions double branches, crosses (all sockets or socket and spigot) collars caps and plugs conforming to Is complete all as specified and directed. (Excavation, earth work, & joints shall be measured and paid separately).

All as per Item Sr No. but Ductile iron fittings suitable for DI pipes complete all as specified and directed.

NARINDER KUMAR SONS