REPAIR REPLACEMENT OF CI GI PIPES AND CONTROL VALVES AT INA EZHIMALA.

Amount

Excavating in trenches, not exc 1.5m wide and not exc 1.5m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exc 10 sqm on plan and not exc 1.5m in depth and getting out in soft/loose soil complete all as specified and as directed by Engr-In-Charge.

All as per item No.1 above but getting out in hard/dense soil.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25cm in any type of soil complete all as specified and as directed by Engr-In-Charge.

Removing excavated soil not exc 50m and depositing where directed at level not exc 1.5m above the starting point complete all as specified and as directed by Engr-In-Charge.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided complete all as specified and as directed by Engr-In-Charge.

Material and labour for plain cement concrete in sub floors, sub-bases, floors and pavings of cement concrete type D2, 1:4:8 (40mm graded aggregate) of 100mm thickness (for sub base) complete all as specified and as directed by Engr-In-Charge. Location: Filtration plant, S2 sump, S3 sump and S4 sump

Material and labour for plain cement concrete in sub floors, sub-bases, floors and pavings of cement concrete type B1, 1:2:4 (20mm graded aggregate) of 50mm thickness (for top layer flooring) even and smooth complete all as specified and as directed by Engr-In-Charge.

Material and labour for Cutting existing CI pipe in position for insertion of CI specials of the following sizes:- Note : CI specials and jointing shall be measured and paid separately.

80mm bore

100 mm bore

150mm bore

200mm bore

250mm bore

300mm bore

Taking up the GI pipe line and connections from the trench/ floor and cleaning, removing the block relaying/re-fixing in the same position of the following sizes: - Note: GI fittings such as bend, elbow etc. shall deemed to be included in the quoted rate for the item.

GI tubing 20mm bore

GI tubing 25 mm bore

GI tubing 32 mm bore

GI tubing 40 mm bore

GI tubing 50 mm bore

Supply and lay GI tubing medium grade in trenches/wall/floor with all fittings such as bend, elbow, socket etc including taking out the corroded pipes all as specified and as directed for the following sizes: -

40mm bore

50mm bore

Supply and lay of CPVC pipes SDR-11 and plain CPVC SDR -11 with all fittings in trenches in place of unserviceable GI tubes complete all as specified including taking out the unserviceable for the following sizes of pipes: -

20mm bore

25mm bore

32mm bore

40mm bore

50mm bore

Supply and lay of CPVC Schedule 40 pipes & plain CPVC Schedule 40 fittings with all fittings in trenches in place of unserviceable GI tubes complete all as specified including taking out the unserviceable for the following sizes of pipes: -

62.5mm bore

75mm bore

Supply and lay UPVC pipes of pressure rating 10kg/cm² with all fittings and fixtures laid in trenchers/wall/floor including taking out the unserviceable pipes of the following sizes complete all as specified and as directed:-

20mm bore

25mm bore

32mm bore

40mm bore

50mm bore

65mm bore

80mm bore

100mm bore

150mm bore

Supply and lay CI pipes spigot and socket ends centrifugally cast class B in any length laid in trenches including taking out the unserviceable pipes of following sizes complete all as specified and as directed :- Note:- fittings shall be measured and paid separately

80mm bore

100mm bore

150mm bore

200mm bore

250mm bore

300 mm bore

All as per item No.14 above but class LA of following sizes: -

80mm bore

100mm bore

Supply and lay MS pipes C class (Heavy duty) flanged ends in any length as per site requirement/ directed by Engr-In-Charge including taking out the unserviceable pipe of following sizes: -

150 mm dia

250mm dia

Material and labour for concrete bed to drain pipes in cement concrete 1:3:6 type C2 including packing under, and haunching against the sides of pipes after they are laid and tested; complete all as specified and as directed for the following bore of pipe: -

100mm bore

150mm bore

Supply and fix in repairs of CI specials such as bends (any type, radius and angle) tapers any type (straight, bend, or double sockets etc) Tee pieces, single branch 'Y' junction, double branch (all sockets or socket and spigot) cross, collars caps and plugs etc of dia up to 150mm bore complete all as specified and as directed.

Material and labour in repairs of tyton joints with rubber gasket for CI spigot and socket pipes and fitting of the following sizes:-

80mm bore

100mm bore

150mm bore

250 mm bore

300mm bore

Supply and fix sluice valve, flanged end of class PN 1.6 with stainless steel spindle with all accessories suitable for size 80mm bore, confirming to IS specification all as specified and as directed including taking out the unserviceable valve.

All as per item No.20 here in above but of size 100 mm bore

All as per item No.20 here in above but of size 150 mm bore

All as per item No.20 here in above but of size 200 mm bore

All as per item No.20 here in above but of size 250 mm bore

All as per item No.20 here in above but of size 300 mm bore

Supply and fix Gun metal gate valves with iron wheel head screwed both ends for iron pipe, confirming to IS specification all as specified including taking out the unserviceable gate valves of the following sizes: -

20mm bore

25mm bore

32mm bore

40mm bore

50mm bore

Supply and fix NRV (Non Return Valve) flanged and drilled type 80mm dia including taking down the existing unserviceable valve all as specified and as directed.

All as per item No.27 above but 150mm dia

All as per item No.27 above but 250mm dia

Taking out the sluice valve with steel spindle and refacing, regrinding and re-fixing of the following size after cleaning dust, greasing etc all as specified and as directed.

80mm bore

100 mm bore

150 mm bore

200 mm bore

250 mm bore

300 mm bore

Material and labour for repair to valve chamber by means of taking down existing plaster (internal and external) completely and re-plaster in cement mortar 1:4, 15mm thick and applying 3 coats of white wash and welding of MS hinges and including one coat of synthetic enamel painting on MS sheet after preparation of the surface of the following size complete all as specified and as directed: -

90x90x 90 cm (inside dimension)

45x45x 60 cm (inside dimension)

Material and labour for construction of valve chamber of internal size 900mm x 900mm x 900mm with , foundation PCC 1:4:8 type D2 (100mm thick) laterite stone masonry 200 mm thick in cement mortar 1:4, PCC 1:2:4 type B1 for coping (75 mm thick) , rendering in cement mortar 1:4 ,15 mm thick on both internal and external surfaces (15cm below GL) including provision of MS sheet cover 3 mm thick and 40x6 mm flat frame, 50x6 mm hold fast embedded in coping with two coat of synthetic enamel paint over a coat of red oxide primer with necessary 3 coats white wash on external surfaces, earth work and excavation, handle of 12mm dia MS rod etc complete all as specified and as directed by Engr-in-charge.

Supply and fix 20mm bore brass ferrule on the existing pipe line including taking down of old unserviceable ferrule complete all as specified and as directed.

Supply and fix Ball valves in repairs high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe complete all as specified and as directed.

40mm bore (minimum weight- 690 gram)

25mm bore ( minimum weight -455 gram)

20mm bore (minimum weight- 210 gram)

Material and labour for MJ Collar for CI pipes with Nut and Bolt including taking out old unserviceable collar of following sizes of CI pipe complete all as specified and as directed: -

80 mm bore

100 mm bore

150mm bore

200mm bore

250mm bore

300mm bore

Supply and fix ARV (Air Release Valve) flanged and drilled type 80mm dia including taking down the existing unserviceable valve complete all as specified and as directed.

Material and labour for taking up existing CI pipes and relaying the CI pipes spigot and socket ends centrifugally cast class B in any length laid in trenches of 80mm dia pipe complete all as specified. Note : (i). The quoted rate deemed to be inclusive of cost of taking up of CI pipes in trenches and laying in new trenches where specified by Engr-In-Charge. (ii). The earth work shall be measured and paid seperately.

Supply and lay Ductile iron pipes with spigot and socket ends, centrifugally cast, class K-7 in any length laid in trenches/ floor etc including taking out existing unserviceable pipes complete all as specified and as directed for the following sizes: -

100 mm dia

150mm dia

Supply and fix CI specials Bends, tapers, Tee pieces (single & double branch) any type and angle/ radius and straight connecting pieces but all ends flanged complete all as specified and as directed.

Material and labour for arresting pipe line leakage made of Aluminium Foil Tape/Waterproof Adhesive Tape Sealing Butyl Rubber Tape for surface crack, pipe rupture (5cm width of tape) complete all as specified.

Supply and fix PVC medium duty braided suction hose pipe in any length laid in trenches including all fittings and connectors including taking out existing unserviceable pipes complete all as specified and as directed by Engr-In-Charge of following sizes: -

25mm dia

50mm dia

65mm dia

75mm dia

Schedule of Credit (Minus) Rs. 248565.00 NOTE: Bidder shall insert credit amount of Rs. 248565.00 as rate in Green field under Col-5.

KDR CONSTRUCTION

M/s K V Ramachandran

SANDR

LAKSHMI BUILDERS

Gates Infra Construction Co

LUCKY ENTERPRISES

PADMANABHAN. K.V

RS ENTERPRISES