REPAIR MAINTENANCE OF GI PIPE LINE, VALVE, WATER STORAGE TANK AND OTHER CONNECTED WORKS AT MTN BDE, AD PL, MBSC, ENGR REGT, B DET, FD WKS, FD HOSP AND MLI UNDER GE 859 EWS

Amount

Supply and lay pipes galvanised GI Tubing 100 mm bore medium grade in trenches and connection in old or new position including fitting like socket / union / Tee / Reducer Nipple etc complete all as directed.

All as per 1 above but 80 mm bore

All as per 1 above but 50 mm bore

All as per 1 above but 40 mm bore

All as per 1 above but 25 mm bore

Supply and lay pipes galvanised GI Tubing 50 mm bore medium grade fixed to walls and ceiling or laid in floors in old or new position including fitting like socket / union / Tee / Reducer Nipple etc complete all as directed.

All as per 6 above but 40 mm bore

All as per 6 above but 25 mm bore

M&L for taking up or down old rusted GI tubings and connections from trenches or from walls/ceilings for the 100 mm bore

All as per item No 9 above but 80 mm bore

All as per item No 9 above but 50 mm bore

All as per item No 9 above but 40 mm bore

All as per item No 9 above but 25 mm bore

Taking down and refixing old steel tubing after cleaning and connections in new or old position (Walls, ceiling,floors) including earth work etc of size 40 or 50 mm bore

All as per item No 14 above but 25 or 32 mm bore

All as per item No 14 above but 20 mm bore

Cutting existing steel tubing 40 or 50 mm bore for alterations or additions (Each cut measured)

All as per item No 17 above but 25 or 32 mm bore

Exacavation in trenches , n.exc 1.5 m wide and n.exc 1.5 m in depth for laying of pipes or for run lead joint and getting out in hard/dense soil.

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

Removing excavated soil n.exe 50Mtr & depositing where directed at a level n.exe 1.5m above the starting point

Supply and Fix in repair sluice valve 80 mm bore of cast iron body with flanged ends duly drilled ISI marked as per IS (14846-2000) PN-1.6 with spindle and check nut including operating wheel etc. and fixed with new bolts, nuts, washers and rubber insertion packing complete all as specified and directed.

Taking down the old unserviceable Spindle from sluice valve 80 mm bore and fixing with new spindle as per the existing size and shape of manufactures including replacement of connected check nuts washers, rubber gasket , and gland packing to arrest any leakage and and reassembling complete for smooth functioning of sluice valve all as directed for following sizes

Supply and fix in repair Gun metal gate valve with iron wheel head screwed both ends for iron pipe and fixed size 50 mm dia.

All as per item No 24 above but 40 mm bore

All as per item No 24 above but 25 mm bore

Dismantling of old valve chamber of any size including taking out rusted MS sheet with angle iron frame all as directed at site.

Construction of Valve chamber of size 600x600x600 mm including necessary earth work excavation PCC 1:4:8 in foundation type D2 using 40 mm grade stone aggregate, brick wall in CM 1:4, PCC 1:2:4 type B1 for copping, 15 mm thick rendering in CM 1:4 including provision of MS Sheet cover 3.0mm thick with MS angle frame 25x25x3mm all round and at diagnols of size 40 x 40 x 6mm and also MS Plate welded to MS angle, embedded in concrete with suitable hinges and locking arrangement, including two coats of synthetic enamel paint over a coat of red oxide primer necessary excavation earth work etc, all as specified and as directed.

All as per item No 28 above but 450x450x450 mm

M&L cutting the road hard standing & making good surface with PCC 1:3:6 C-2 Type Using 40 mm graded stone aggregate & removing the to distance n.exe 50mtr all as specified.

M&L for stone masonry for walling of random rubble, uncaused, well bonded, built in cement mortar 1:4 for construction of thrust block for the support of water supply pipe line.

M&L for arrresting of leakge of pipe line of size upto 80 mm GI/PPR pipe line by using of short length of GI/PPR pipe,welding, including all fittings.

S&F 3-layer PP-R P o l y p r o p y l e n e random copolymer) pipes 110 mm dia SDR 11 UV, PN 10 stablised and a n t i m i c r o b i a l welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded p o l y p r o p y l e n e random fittings fixed complete to walls, ceilings in floors or laid in trenches etc.including taking down of old pipe.

All as per item No 33 above but 90 mm dia

All as per item No 33 above but 75 mm dia

All as per item No 33 above but 63 mm dia

All as per item No 33 above but 50 mm dia

All as per item No 33 above but 40 mm dia

All as per item No 33 above but 32 mm dia

All as per item No 33 above but 25 mm dia

M&L for Making connection of PP-R distribution branch 50 to 75 mm with PP-R main of following sizes by providing and fixing tee including cutting and making fusion joint etc

All as per item No 41 above but 16 to 40 mm dia

S&F PP-R Gate valves (brass insert) 63 mm as per requirement of the site

All as per item No 43 above but 50 mm dia

All as per item No 43 above but 40 mm dia

All as per item No 43 above but 32 mm dia

All as per item No 43 above but 25 mm dia

M&L for Disconnecting existing tanks, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required & Cleaning and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes,reconnecting and re-fixing in position and etc of exc 250 Ltr but not exc 500 Ltrs

All as per item No 48 above but exc 500 Ltrs but not exc 1000 Ltrs

All as per item No 48 above but exc 1000 Ltrs but not exc 2000 Ltrs

S&F Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) 500 Ltr capacity hoisted and fixed in position all as specified in SSR Part I

All as per item No 51 above but 750 Ltrs capacity

All as per item No 51 above but 1000 Ltrs capacity

All as per item No 51 above but 2000 Ltrs capacity

S&F Ball valves high pressure of PTMT 15 mm bore with epoxy coated Aluminium rod & highdensity plastic ball screwed for iron pipe and fixed. (Minimum weight 15mm-142gms/ 2 0 m m - 2 1 0 g m s . /25mm-455gms / 40mm - 690 gms)

All as per item No 55 above but 20 mm bore

All as per item No 55 above but 25 mm bore

All as per item No 55 above but 40 mm bore

M/S D L ENTERPRISES (BID ID -3067813)

M/S L G BUILDERS (BID ID -3067823)

M/S ACE BUILDERS (BID ID -3067860)

M/S T G ENTERPRISES (BID ID -3067877)

PARBIN SIDDIKI (BID ID -3067892)

M/S L.N. TRADERS (BID ID -3067921)

M/S TSERING DHONDUP (BID ID -3067932)