REPAIR MAINTENANCE OF WATER SUPPLY DISTRIBUTION PIPELINES, VALVES AND ALLIED WORKS AT PXE TECH AND DOMESTIC AREA AT CHANDIPUR

Amount

NOTE (Applicable for all items) :- The bidders/contractors are advised to read tender document & all corrigendum / amendments and General conditions of contracts before entrying/quoting the rates.

Excavating in trenches,in soft/loose soil n exc 1.5m wide and n exc 1.5m in depth, for laying of pipes, foundation etc or shafts,walls,cesspits,manholes,pier holes,etc.n exc 10 sqm on plan and n exc 1.5m in depth and getting out all as specified and as directed.

Returning,filling in,including spreading,leveling,watering and well ramming in layers not exc 25cm.

Removal of excavated material (soil) to a distance not exc 50 m away from starting point and depositing where directed at a level not exc 1.5 m above the starting point complete all as specified and directed

Material and labour for cutting of the existing following type of road surface and making good the surface as per existing finishes complete all as specified and directed :-

PCC road / hard standing / floor, etc. exc. 45 cm. and not exc. 90 cm in depth and width 45 cm (min) for laying of pipe, tubing, etc. and making good and finished & matching the disturbed surfaces with existing materials complete all as specified and directed.

Cutting of exsiting Bituminous road exc. 45 cm. and not exc. 90 cm in depth and width 45 cm (min) for laying of pipe, tubing, etc. and making good and finished & matching the disturbed surfaces with existing materials complete all as specified and directed.

Material and labour for taking up unserviceable ductile iron (DI)/ Cast iron (CI) water mains with spigot and socket ends of any class including all fittings complete all as specified and directed by Engineer-in-charge for following sizes:-

150mm dia bore pipe

100mm dia bore pipe

80mm dia bore pipe

Supply and laying of ductile iron (DI) pipe spigot and socket ends Class 'K-9' suitable for tyton joint any length properly laid in trenches all as specified and directed by Engr-In-Charge of following sizes :- (Make - Electro steel/Rashmi Metaliks/Tata or equivalent model/Cat of make list as given in Appdix "A".) Note :-Tyton joint will be measured and paid seperately under respective items of schedule.

150mm dia bore pipe

100mm dia bore pipe

80mm dia bore pipe

M&L Rubber gasket Joint (Tyton Joint) suitable for DI pipe of following sizes all as specified and directed.

150mm dia bore pipe

100mm dia bore pipe

80mm dia bore pipe

Material and Labour for run lead joints complete for the CI pipe of following sizes all as specified and directed.

200 mm dia bore pipe

150mm dia bore pipe

100mm dia bore pipe

80mm dia bore pipe

Material and labour for caulking to the existing run lead joint complete to make it leak proof by insertion of lead wool of required quantity all as specified and directed for the following sizes:-

80 mm dia bore pipe

100 mm dia bore pipe

150 mm dia bore pipe

Supply and fix DI fitting for spigot socketed pipe , 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 of size - up to 150 mm dia .

Taking out sluice valve any type and size including re- facing, re- grinding of shutter and re - fixing the same including providing rubber insertion sheet, gland packing rope, nuts, bolts and washers etc to make the sluice valve leak proof and free. operational all as specified and directed by Engr -in - charge for the following sizes :- Note :- Rate of rubber insertion sheet, nut, bolts, washers etc will deemed to be included in the item rate.

80 mm dia bore pipe

100 mm dia bore pipe

150 mm dia bore pipe

Cutting of DI/CI mains in position for insertion of new tees, tail pieces , sluice valve etc. for following size :-

150 mm dia bore pipe

100 mm dia bore pipe

80 mm dia bore pipe

Supply and fix in repair CI sluice valve flanged of class PN 1.6 conforming to IS - 14846 complete with iron wheel head , SS spindle and check nut , including jointing material such as rubber insertion nuts, bolts and washers etc complete ,of following size : Make - Kirloskar/upadhaya/Leader/Zoloto or equivalent model/Cat of make list as given in Appdix "A"

80 mm dia bore pipe

100 mm dia bore pipe

150 mm dia bore pipe

200 mm dia bore pipe

Supply and fix in repair CI Non - Return Valves without by pass arrangement , ISI marked , heavy duty , flanged type including rubber sheet & nut bolts etc complete all as specified by the Engr-in-charge for the following sizes. Make - Kirloskar/Upadhaya/Leader/Zoloto or equivalent model/Cat of make list as given in Appdix "A"

80 mm dia bore pipe

100 mm dia bore pipe

Supply and fix in repair foot valve as per IS-4038 of cast iron with brass diaphragm heavy duty screwing type complete for 50 mm dia bore pipe. Make-Kirloskar/Kartar/Leader/Upadhaya or equivalent model/Cat of make list as given in Appdix "A"

M & L for construction of valve chamber of internal size 1.2 m x 1.2m x 1.2 m with 100 mm thick PCC (1:4:8 ) type D-2 for foundation, brick walls built in cement mortor (1:4 ), 75 mm thick PCC 1:2:4 type B1 for coping, rendering 15 mm thick in cement mortor 1:4 with WPC as per manufacturer's instructions both internally and externally upto 15 cm below GL including provision of MS sheet cover using angle iron 50 mm x 50 mm x 6 mm as a frame embedded in concrete and 3 mm thick MS sheet as in cover with necessary locking arrangements duly painted with two coats of synthetic enamel paint over a coat of red oxide primer including necessary earth work and excavation complete all as specified and as directed.

All as per Sl Item No. 16 here-in-before but of size 900 mm x 900 mm x 1050 mm internal size.

All as per Sl Item No. 16 here-in-before but of size 600 mm x 600 mm x 750 mm internal size.

M & L for cement concrete in foundations, filling and mass concrete type D2 1:4:8 using 40 mm grade stone aggregate

M&L for Brickwork with subclass ‘B’ old size bricks with cement mortar (1:4) straight or curved on plain exc 6 m mean radius.

M & L for cement concrete in copping type B1 1:2:4 using 20 mm graded stone aggregate

M&L for Rendering / plastering 15 mm thick with cement mortar (1:4) on fare faces of brick work or concrete surfaces and all as directed

M&L for painting of steel surface with two coats of synthetic enamel paint, after surface preparation and one coat of red oxide primer and all as directed

M&L for painting of wall of repaired / existing valve pits or in any description with two coats of white wash after preparation of surafces of any description and all as directed

M&L for taking down old unserviceable MS structure framed and replacement with structural steel as required at site including fabrication, welding etc all as specified and directed

Taking up and down GI tubing and connected fittings for the following sizes :-

20 mm dia bore pipe

25 mm dia bore pipe

40 mm dia bore pipe

50 mm dia bore pipe

80 mm dia bore pipe

100 mm dia bore pipe

Refixing old steel tubing and connections in new or old position (Walls, ceiling,floors, etc.) for following sizes complete :-

20 mm dia bore pipe

25 mm dia bore pipe

40 mm dia bore pipe

Material and Labour for Galvanized Iron water tubing " Medium Grade" with all fittings laid in trenches for following sizes. Complete all as specified and directed.Make - Jindal/Tata/Bansal/Utkarsh or equivalent model/Cat of make list as given in Appdix "A"

25 mm dia bore pipe

40 mm dia bore pipe

50 mm dia bore pipe

80 mm dia bore pipe

100 mm dia bore pipe

Material and Labour for Galvanized Iron water tubing " Medium Grade" with all fittings fixed complete to wall/ceiling or laid under floor etc for following sizes. Complete all as specified and directed.Make - Jindal/Tata/Bansal/Utkarsh or equivalent model/Cat of make list as given in Appdix "A"

20 mm dia bore pipe

25 mm dia bore pipe

40 mm dia bore pipe

Supply and fixing the following galvanised iron fittings ISI marked of following sizes of approved make complete all as specified and directed :-

GI UNION 20 MM

GI UNION 25 MM

GI UNION 40 MM

GI UNION 50 MM

GI SOCKET 25MM

GI SOCKET 20 MM

GI SOCKET 40 MM

GI SOCKET 50 MM

GI NIPPLE 20 MM

GI NIPPLE 25 MM

GI FLANGE 80 MM

GI FLANGE 100 MM

Supply and fix in repair Gun metal globe or gate valve ISI marked high pressure with iron wheel head screwed both ends for iron pipe line and fixed properly for following sizes. Make - Zoloto/Kartar/Lakshmi/Venus or or equivalent model/Cat of make list as given in Appdix "A"

20 mm dia bore pipe

25 mm dia bore pipe

40 mm dia bore pipe

50 mm dia bore pipe

Supply & Fixing ball brass valves,high pressure,with polythene float and flynut complete screwed for iron pipe or brass ferrule and fixed including takingdown/dismantling of old unserviceable float valves for following sizes:-

20 mm dia

25 mm dia

Supply lowering jointing and testing MS black column pipe 3 meter long heavy duty 80 mm bore, wall thickness 5.4 mm, both ends flanged with heavy duty MS flange not less than 16 mm screwed and welded inside and outside. The flanged end making surface shall be made smooth including welding of 04 strip of 5.04 mm thick 25 mm wide and 50 mm long covering pipe and flange both ends flanged having 08 Nos. predrilled hole not less tan 16 mm including rubber gasket, nut bolts and washer, pipe should be duly painted with anti corrosive paint complete all as specified and directed.

Supply and fixing in repair of Nylon rope 20 mm dia superior quality to be used in borewell.

Development of existing bore well at water supply installations following steps has to followed:- (a) Opening of all electric connection from the submersible motor, opening of all nuts, bolts and washers etc and taking out the flanges /socketed GI/CI bend of dia 80 mm dia bore. (b) Lifting / taking out the GI column pipe of dia 80 mm bore with submersible motor and pump with the help of block chain pulley of length each 3 meter long. (d) Lowering the air compressor pipe gradually inside borewell. (e) Running the diesel driven turbine pump / compressor machine loaded in the head truck with the help of compressor tubes and prouncing into dusty water from the bore well as a result making all blocked stainer in open position inside borewell gradually, running the compressor and motor found sand free, neat and clean to work out the yield of tube well. (f) The turbine pump / Compressor has to run at least 08 Hours and till the time clean water of portable quality free from sand / mud is obtained as directed. The cleaning of the bore well by over pumping should be done for 15% to 25% higher discharge than expected from the bore well. (g) Reassembling / Refixing and connecting complete fittings, loweringof submersible pump into water incl connection of all electrical and testing to maintain reuired yield for suitable pump of capacity wise and testing the water in govt approved lab after flushing and report submitted by the contractor before completion of work complete all as specified and to satisfaction of Engr - in - Charge. Note :Contractor has to make all necessary arrangements for development of borewell.

Testing of water from approved Govt lab for potability by doing chemical analysis as per norms of WHO/BIS and submission of test reports to Engineer-in-Charge.

Materials and labour for earthing as in repair complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with galvanised strip of size 32 x 6mm by means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe 40 mm bore (medium grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (light grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion all as specified and as directed by the Engr-in-Charge.

M&L for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc for size 32 x 6 mm galvanised iron strip complete all as specified and directed.

S&F in repairs 63 mm dia 15 mtr long RRL hose Type A with male and female GM coupling to be used for fire fighting complete all as directed . (Make – Zenith/ Jyoti/Fire Shield).

S&F in repairs Fire fighting hose box made of 16 gauge MS sheet 800 mm x 600 mm x 250 mm with double door with 4 mm thick fibre glasses painted fire red outside and brilliant white inside.(Make – Zenith/ Jyoti/Fire Shield).

S&F on load change over switch 63 Amps 4 pole in sheet metal enclosure including taking down old change over switch.

S&F on load change over switch 100 Amps 4 pole in sheet metal enclosure including taking down old change over switch.

S&F MCCB 4 pole, current rating 100 Amps, breaking capacity 25 KA at 415 volts, 50 Hz including connection and testing complete.

M&L for mechanical joint with rubber insersion suitable for DI / CI pipe of following sizes complete all as specified and as directed :-

150 mm dia bore pipe

100 mm dia bore pipe

Sagar Electricals

ELECTRO COMMERCIAL CO

Rekha Enterprises

chauhan syndicate

Bidder Name

RPL SYNDICATE CO

Sagar Electricals

chauhan syndicate

Rekha Enterprises

ELECTRO COMMERCIAL CO