SPECIAL REPAIR TO CI/GI PIPE LINE AT VARIOUS LOCATION AND PROVISION OF VOLTAGE STABILIZER AND CEILING FAN AT AFS MOHANBARI UNDER GE (AF) MOHANBARI.

Amount

Excavating in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of cables, pipes etc. and getting out including trimming the sides and forming bottom surfaces to required levels in soft/loose soil complete all as specified and directed by Engineer-in-charge.

Returning, filling in, including spreading, levelling, and well ramming in layer not exceeding 25 cm thick in soft/loose soil complete all as specified and directed by Engineer-in-charge.

Removing excavated material (soil) to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed by Engineer-in-charge.

Taking up or down old unserviceable GI/CI tubing with fittings 25 mm bore and connections/fittings from trenches/wall etc including cleaning for refixng or removal to store of following bore of pipe complete all as specified and directed by Engineer-in-charge. ( Note:- Excavation and earthwork measured and paid separately.

All as per item No. 4 above but 40 mm bore dia.

All as per item No. 4 above but 50 mm bore dia.

All as per item No. 4 above but 80 mm bore dia.

All as per item No. 4 above but 100 mm bore dia.

All as per item No. 4 above but 150 mm bore dia.

Supply and laying 3 layer PP-R Polypropylene random copolymer concealed pipes 32 mm outer dia, SDR 7.4 ( PN-16) , UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R Plain and brass threaded polypropylene random fittings laid in trenches / wall including all fittings complete all as specified and directed by Engineer-in-charge.

All as per item No. 10 above but 50 mm outer dia.

All as per item No. 10 above but 63 mm outer dia.

Supply and laying 3 layer PP-R Polypropylene random copolymer concealed pipes 90 mm outer dia, SDR 11 ( PN-10) , UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R Plain and brass threaded polypropylene random fittings laid in trenches / wall including all fittings complete all as specified and directed by Engineer-in-charge.

All as per item No. 13 above but 110 mm outer dia.

All as per item No. 13 above but 160 mm outer dia.

Supply & fixed in repairs, PP-R Gate valves ( brass insert) 32 mm outer bore of pipe, complete all as specified and directed by Engineer-in-charge.

Supply & fixed in repairs, PP-R Gate valves ( brass insert) 50 mm outer dia of pipe, complete all as specified and directed by Engineer-in-charge.

Supply & fixed in repairs, PP-R Gate valves ( brass insert) 63 mm outer bore of pipe, complete all as specified and directed by Engineer-in-charge.

Supply and fixed in repairs, Cast Iron sluice valve of 150 mm bore, class PN 1.6 duly ISI Marked, (conforming to IS-14846-2000) with iron wheel head both end flanged , brass spindle any pattern with GM check nut complete with jointing material, nuts, bolts and washers etc. complete all as specified and directed by Engineer-in-charge.

All as per item No.19 above but 100 mm bore pipe

All as per item No.19 above but 80mm bore pipe

Supply and fixed in replacement, connecting and testing reflux valve (non return valve ISI -5312) with by-pass arrangement, CI suitable for 150 mm bore pipe heavy duty both end flanged of pressure rating PN 1.6 and jointing with joint with rubber or fibre board gasket complete with and including required nos size of nuts, bolts and washers etc complete all as specified and directed by Engineer-in-charge.

Supply and fixing in repairs CI venturi of size 100 mm dia having arrangement for dosing of bleaching/ALTOCH GP solution complete all as specified and directed by Engineer-in-charge.

Supply & fixed in repairs, 25 mm bore, gun metal globe gate valve, yoke type, full opening with iron wheel head, screwed both ends , heavy duty, ISI marked conforming to IS-778 complete for iron pipe of following sizes complete all as specified and directed by Engineer-in-charge.

Supply & fixed in repairs, 40 mm bore, gun metal globe gate valve, yoke type, full opening with iron wheel head, screwed both ends , heavy duty, ISI marked conforming to IS-778 complete for iron pipe of following sizes complete all as specified and directed by Engineer-in-charge.

Supply & fixed in repairs, 50 mm bore, gun metal globe gate valve, yoke type, full opening with iron wheel head, screwed both ends , heavy duty, ISI marked conforming to IS-778 complete for iron pipe of following sizes complete all as specified and directed by Engineer-in-charge.

Cutting of existing CI/GI pipe, 80 mm bore, in position for Insertion of new tee, branches etc of size 80 mm complete all as specified and directed by Engineer-in-charge.

Cutting of existing CI/GI pipe, 100 mm bore, in position for Insertion of new tee, branches etc of size 100 mm complete all as specified and directed by Engineer-in-charge.

Supply, laying, jointing and testing Mild steel galvanised water tubing, 25 mm bore dia, medium grade, with and including all GI fittings in trenches complete all as specified and directed by Engineer-in-charge. Note :- (i) All fittings required for laying / fixing shall be brought by the contracor and cost there of shall deemed to be included in the quoted rates.

Supply, laying, jointing and testing Mild steel galvanised water tubing, 50 mm bore dia, medium grade, with and including all GI fittings in trenches complete all as specified and directed by Engineer-in-charge. Note :- (i) All fittings required for laying / fixing shall be brought by the contracor and cost there of shall deemed to be included in the quoted rates.

Supply, laying, jointing and testing Mild steel galvanised water tubing, 80 mm bore dia, medium grade, with and including all GI fittings in trenches complete all as specified and directed by Engineer-in-charge. Note :- (i) All fittings required for laying / fixing shall be brought by the contracor and cost there of shall deemed to be included in the quoted rates.

Supply, laying, jointing and testing Mild steel galvanised water tubing, 80 mm bore dia, medium grade, with and including all GI fittings, fitted to 10,000 gallons capacity PS over head water tank installed on 40' to 50' height staging including taking down existing complete all as specified and directed by Engineer-in-charge. Note :- (i) (Note :- Cost of bamboo etc required for staging/working platform shall be included in the overall rates quoted)

Supply, laying, jointing and testing Mild steel galvanised water tubing, 100 mm bore dia, medium grade, with and including all GI fittings fitted to 10,000 gallons capacity PS over head water tank installed on 40' to 50' height staging including taking down existing complete all as specified and directed by Engineer-in-charge. Note :- (i) (Note :- Cost of bamboo etc required for staging/working platform shall be included in the overall rates quoted)

Dismantling of unserviceable/ cracked valve pit chamber of size (900 mm x 600 mm x 1000 mm, internal size) and including removal of demolished material and rusted mild steel cover and frame to a distance not exceeding 50 mtrs complete all as specified and directed by Engineer-in-charge.

Dismantling of unserviceable/ cracked valve pit chamber of size (900 mm x 900 mm x 900 mm, internal size) and including removal of demolished material and rusted mild steel cover and frame to a distance not exceeding 50 mtrs complete all as specified and directed by Engineer-in-charge.

Material and labour for construction of valves pit chamber of internal dimension (900 mm x 600 mm x 1000 mm ), using PCC (1:4:8) type D2, 40 mm graded stone aggregate for foundation 15 cm thick, 23 cm thick wall with sub class new 'B' bricks in CM (1:4), 10 mm thick rendering all around the brick work with 1:4 cement mortar, PCC (1:3:6) type C1 coping/bedding with 20 mm graded agregate for grouting MS frame including 3 mm thick MS top sheet cover with locking arrangement including 50 mm pad lock with double key arrangement, MS frame out of 40 x 40 x 5 mm thick angle iron including painting of steel surface with two coats of synthetic enamel paint over a coat of red oxide primers finishing coat and three coats of white wash on plastered surface (exposed to view) including necessary excavation in any type of soil, returning filling in and removal of surplus soil to a distance not exceeding 50 mtrs all as specified complete all as specified and directed by Engineer-in-charge.

Material and labour for construction of valves pit chamber of internal dimension (900 mm x 900 mm x 900 mm ), using PCC (1:4:8) type D2, 40 mm graded stone aggregate for foundation 15 cm thick, 23 cm thick wall with sub class new 'B' bricks in CM (1:4), 10 mm thick rendering all around the brick work with 1:4 cement mortar, PCC (1:3:6) type C1 coping/bedding with 20 mm graded agregate for grouting MS frame including 5 mm thick MS top sheet cover with locking arrangement including 50 mm pad lock with double key arrangement, MS frame out of 40 x 40 x 6 mm thick angle iron including paintaing of steel surface with two coats of synthetic enamel paint over a coat of red oxide primers finishing coat and three coats of white wash on plastered surface (exposed to view) including necessary excavation in any type of soil, returning filling in and removal of surplus soil to a distance not exceeding 50 mtrs all as specified complete all as specified and directed by Engineer-in-charge.

Material and labour point wiring for fan point, one fan point controlled by one, one way switch using 1.5 sqmm nominal cross sectional area multistranded copper conductor, PVC insulated unsheathed (HR-FRLSH) cable,1100 volts grade single core in and including suitable size PVC casing and caping of medium grade (ISI marked), including sunk cast pressed steel terminal box made out of MS sheet 1.25 mm thick for mounting of fittings like switch, socket and fan regulator with 3 mm thick hylum laminated sheet cover and 1.5 sqmm nominal cross sectional area multistranded copper conductor PVC insulated unsheathed (HR-FRLSH) earth wire, 1100 volts grade single core and connecting to earth dolly and brass screws, washers etc. complete all as specified and directed by Engineer-in-charge.

Supply and fixing Switch Piano flush type, one way, 6 Amp (ISI Marked), 230V, 50 Hz colour matching with surrounding surface complete all as specified and directed by Engineer-in-charge.

Supply and fixing ceiling rose surface bakelite 65 mm x 50 mm two to three terminal suitable for 230 Volts AC 6 Amps complete all as specified and directed by Engineer-in-charge.

Supply and fixing stepped type electronic fan regulator, 120 W, 240 Volts ISI marked complete all as specified and directed by Engineer-in-charge.

Supply and hanging of ceiling fan 1200mm sweep 230 volt 50 Hz, AC single phase, BEE 5 star rated including provision of cable from ceiling rose or connector to fan, engraving and marking MES No. and connecting and testing complete all as specified and directed by Engineer-in-charge. Make:- Crompton Model: Asset 50 or equivalent in Havells/USHA/Almonard/Bajaj/Orient

Supply and fixing Servo Voltage Stabilizer, 30 KVA (conforming as per BIS: 9815: part 1:1994 reaffirmed 2009) for automatic operation, three phase, naturally oil cooled, copper wound, indoor type, digital display type, relay free smooth and silent operation with 1st filling of transformer oil (IS:1993 reaffirmed 2005) Micro controller based technology & designed for input variation between 360 V to 480 V with output voltage stabilized at 415+1%, response time not to exceed 10 mili second, sensitivity + 1% having rate of correction 20 volt/second for phase to phase with efficiency better than 95% on full load of capacity 30 KVA complete all as specified and directed by Engineer-in-charge.

KP GHOSH AND CO

JANATA CONSTRUCTION

RAJ BUILDER

M/s Sashi Enterprise

M/S RK Trading

D B Construction

M/s PRABIR ENTERPRISE