REPAIR REPLACEMENT AND CLEANING OF GI CI PIPE LINE INCLUDING SUPPLY OF CHEMICALS AND REPAIRS TO FIRE ALARM SYSTEM AND ALLIED WORKS IN DOMESTIC TECHNICAL AREA AND AFH UNDER GE (AF) JORHAT.

Amount

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr deep for taking out / laying CI / GI pipe line as in soft / loose soil complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers n.exc 25 cm thick layers complete all as specified and directed.

Removal of excavated material n.exc 50 mtr distance and depositing where directed at a level n.exc 1.5 mtr above from starting point complete all as specified and directed.

M&L for horizontal boring below pavement /road, as in soft / loose soil for crossing 40mm to 150 mm size GI pipe lines complete all as specified and directed.

Taking out from trenches CI pipe lines (including all fittings) of following sizes with spigot & socket ends with burnning of lead joints etc. including taking out lead from joints complete all as specified & directed. NOTE:- Earth work shall be measured & paid for separately under relevant item here-in-above.

150 mm bore CI pipe

100 mm bore CI pipe

80 mm bore CI pipe

M &L for Ductile iron (DI) pipe class K7 with spigot & socket end suitable for run lead joints of following sizes laid in trenches complete all as specified and directed.

150 mm bore DI pipe

100 mm bore DI pipe

80 mm bore DI pipe

Re-laying CI pipe of following sizes with spigot and socket ends after cleaning internal surface of serviceable pipes by using of wire brush and cleaning throughly with fresh water and taking out mud /deposited sludge inside the pipes.

150 mm bore CI pipe

100 mm bore CI pipe

80 mm bore CI pipe

M&L for CI fitting of spigot & socket pipe such as bends (any type, radius and angle) tapers any type of dia upto 150 mm (straight, bend, increasing, decreasing or double socket etc.)Tee pieces single branch ,’Y’ junction ,double branch, cross collors tail pieces with one end flanged and other end socketed (integrally cast), caps and plugs complete all as specified and directed.

M&L for run lead joint suitable for CI pipes of following sizes and fittings including jointing material such as lead, spun yarn etc. complete all as specified and directed.

150 mm bore CI pipe

100 mm bore CI pipe

80 mm bore CI pipe

M&L for Rubber gasket joint suitable for DI pipes of following sizes and fittings including jointing material such as lead, spun yarn etc. complete all as specified and directed.

150 mm bore DI pipe

100 mm bore DI pipe

80 mm bore DI pipe

Labour for reuse of old run lead joint suitable for CI pipes of following sizes and fittings including jointing material such as lead, spun yarn etc. complete all as specified and directed.

150 mm bore

100 mm bore

80 mm bore

M&L for brick masonry valve pit of internal size 120cm x 120cm x 120cm suitable for sluice valves, with 150mm size, with plain cement concrete,1:4:8, type D-2 (using 40mm graded stone aggregate) for foundation, 23cm thick brick work in cement mortar 1:6, 15mm thick plastering in cement mortar 1:4, 100mm thick coping in PCC 1:2:4 type B-1, including MS sheet cover of thickness 3.15mm fixed over 50X50X6.0mm angle iron framework including two coats of synthetic enamel paint over a coat of red oxide primer on steel surfaces and making provision of locking arrangement including demolition old valve pit and necessary earth work complete all as specified and directed. NOTE: The rate for excavation, returning and filling and removing of earth work shall deemed to be included in the item rate quoted.

M&L for repair to existing CI pipe line leakage of following sizes by caulking of exposed lead as required including pumping out water from pit / trenches complete all as specified and directed.

150 mm bore

100mm bore

80mm bore

Taking out old GI pipe from trenches /floor including connected fittings / accessories (defective gate valve /stop valves) etc. complete of following sizes for re-fixing / replacing with necessary fittings and valves etc. complete all as specified and directed.

GI pipe of 100mm bore

GI pipe of 80mm bore

GI pipe of 50 mm bore

GI pipe of 40 mm bore

GI pipe of 25mm bore

GI pipe of 20mm bore

GI pipe of 15mm bore

Supply and laying galvanised iron pipes of medium grade ISI marked with all fittings (such as bend, elbows, tees, short pieces of medium grade, connectors, back nuts, caps , plugs and unions etc) laid in trenches/floor/ducts and also cutting pipes, screwing and for making forged bends on piping as required, complete all as specified and directed.

GI pipe of 100mm bore

GI pipe of 80mm bore

GI pipe of 50mm bore

GI pipe of 40mm bore

GI pipe of 25mm bore

GI pipe of 20mm bore

GI pipe of 15mm bore

Re-laying and re-fixing old galvanised iron serviceable pipes in new or old position including cleaning and descaling the internal surface of pipes by using wire brush and cleaning throughly with fresh water and taking out mud /soil deposited sludge inside for the following size of GI pipe:-

GI pipe 100mm bore

GI pipe 80mm bore

GI pipe 50mm bore

GI pipe 40mm bore

GI pipe 25 mm bore

GI pipe 20mm bore

Supply and laying 20 mm dia UPVC pipes of pressure rating 10 Kgf /Sqcm with all fittings (such as bend, elbows, tees, short pieces, connectors, back nuts, caps , plugs and unions etc.) laying on floor/ ducts and also cutting pipes, screwing and for making bends on piping as required after taking down old pipe, complete all as specified and directed.

Supply and laying 25 mm dia UPVC pipes of pressure rating 10 Kgf /Sqcm with all fittings (such as bend, elbows, tees, short pieces, connectors, back nuts, caps , plugs and unions etc) laying on floor/ducts and also cutting pipes, screwing and for making bends on piping as required after taking down old pipe, complete all as specified and directed.

S&F in repair Gun metal gate valve (ISI marked) with iron wheel head, screwed both ends for iron pipe with union of the following sizes complete all as specified and directed.

Gate valve 50mm bore.

Gate valve 40mm bore.

Gate valve 25mm bore.

Gate valve 20mm bore.

Gate valve 15mm bore.

S&F in repairs of cast iron sluice valve PN-1.6 with flanged ends (ISI marked) suitabe for 150mm bore pipe complete with stainless steel spindle and cast iron cap including rubber/fiber board gasket, nuts, washers etc complete all as specified and directed.

S&F in repairs of cast iron sluice valve PN-1.6 with flanged ends (ISI marked) suitabe for 100mm bore pipe complete with stainless steel spindle and cast iron cap including rubber/fiber board gasket, nuts, washers etc complete all as specified and directed.

S&F in repairs of cast iron sluice valve PN-1.6 with flanged ends 80mm nominal bore ISI marked complete with stainless steel spindle and cast iron cap including rubber/fiber board gasket , nuts, washers etc complete all as specified and directed.

S&F in repairs 100mm nominal dia (ISI marked) butterfly valve complete including rubber / fiber board gasket, nuts, washers etc. complete all as specified and directed.

S&F in repairs 80mm nominal dia (ISI marked) butterfly valve complete including rubber / fiber board gasket, nuts, washers etc. complete all as specified and directed.

S&F in repairs 80mm nominal bore ISI marked cast iron Non return valve with flanged ends complete including rubber/fiber board gasket , nuts, washers etc complete all as specified and directed.

S&F in repairs 100mm nominal bore ISI marked cast iron Non return valve with flanged ends complete including rubber/fiber board gasket , nuts, washers etc complete all as specified and directed.

S&F Pressure gauge 0 to 10 kg 4 inch dia including gun metal on/off knob complete all as specified and directed.

M&L for Brick work with sub class 'B', straight or curved on plan n.exc 6m mean radius built in cement mortar 1:4 complete all as specified and directed.

M&L for 10mm thick rendering in cement mortar 1:4, on fair faces of brick or concrete surfaces on supporting pillar complete all as specified and directed.

M&L for plain cement concrete 1:4:8, type D2 (using 40mm graded stone aggregate) as in foundation, filling and mass concrete including use and waste of necessary formwork complete all as specified and directed.

Demolition of brick or stone / boulder masonry or pipe supporting pillars, kerbs, apron laid in cement mortar complete all as specified and directed.

Supply only Alum Ferric( AL2 O3 of 15% to 16% concentration) with water in proportionate way for achieving proper sedimentation of water at all time at Pump Houses as directed for better sedimentation process at Pump house No 1 & 2 complete all as specifed and directed.

Supply only Alum Crystal of approved quality with water in proportionate way for achieving proper sedimentation of water at all time at Pump Houses as directed for better sedimentation process at Pump house No 1 & 2 complete all as specified and directed.

Supply only Unslaked Lime Ca (OH)₂ in poly bag / container of 9 Kg of approved quality with water in proportionate way for achieving proper sedimentation of water at all time at Pump Houses as directed, for better Purification/ sedimentation process at Pump house No 1 & 2 complete all as specified and directed.

Supply only Bleaching Powder of approved quality for cleaning/ washing the balancing tank, areation tower during decaning/ refilling with fresh water at an interval as directed for better Cleanleness of Balancing tank/ Areation tower or at other indicated places complete all as specified and directed.

Supply only Calcium based High strength Chlorination chemical. (chlorine contents not less than 65%) with water in proportionate way for maintaining adequate chlorine at all time at Pump Houses as directed for water disinfection at pump house No 7 & 11 complete all as specified & directed.

Supply & Laying 3 Layered PP-R (Polypropylene Random Copolymer) Pipes ISI Marked PN-16, SDR 7.4 UV Stabilised and Anti-Microbial Fusion Welded having Thermal Stability for Hot and Cold water Supply including all PP-R Plain and Brass Threaded Polypropylene Random Fittings (such as Bends ,Elbows, Tees, Short Pieces ,Connectors, Back - Nuts Capps,Plugs, Unions etc.) laying in trenches / floors / ducts or fixing to walls, etc, of following sizes including taking down old pipe and fitting also cutting of pipes as required complete all as specified and directed. NOTE: The rate for excavation, returning and filling and removing of earth work shall deemed to be included in the item No. 01of the rate quoted.

PPR Pipe 160 mm outer dia

PPR Pipe 90 mm outer dia

PPR Pipe 63 mm outer dia

PPR Pipe 32 mm outer dia

S & F PPR Gate Valve (Brass insert) of following dia complete all as specified and directed:-

PPR Gate valve of outer dia 63mm

PPR Gate valve of outer dia 32mm

PPR Gate valve of outer dia 25mm

Taking sample of Raw water & tap water from Pump Houses & getting tested from Directorate of PHED office for physical /Chemical /Bacterelogical analysis. Report shall be submitted to Engr-in-charge. Note : Water sample will be collected from Pump House by the contractor .

M&L for Preparation of Old Painted steel surfaces of exposed pipes laid horizontally at pump houses not exc. 100mm dia, by Scrapping with Mild Steel wire brush and Sand papering to remove all the loose paint, sludges, rust, etc. and applying one Coat of synthetic enamel Paint complete all as specified and directed.

S&F in repairs Battery 12volts, 7Ah SMF complete all as specified and directed.

Removing of old detector with mounting base (Model DB-II) complying with EN 54 standard and LPCB with the specifications as approved , (Detector Model - HFP-II) for repair and fixing in existing position complete all as specified and directed.

S&F indoor detector with mounting base (Model DB-II) complying with EN 54 standard addressable type multi sensore detector with heat and smoke combination photoelectric / optical with self built inteligence complete all as specified and directed.

Supply & fixing, testing and commissioning of insulated unsheathed round cable FRLS multi stranded copper conductor of size 2 core x 2.5 sq. mm with 1 x 2.5 sq. mm earth wire complete in floor / false ceiling / under ground through PVC casing/ caping including taking down old unservicable cable complete all as specified and directed.

S&F of electronically addressable intelligent resettable type Manual Call Point with mounting base complying with EN 54 standard and LPCB approved with the specifications as appended below:- (a) Power- 24V, ≤ 0.6 mA (Standby Current) ≤1.8mA (Alarm Current) (b) Class A system.

S&F Remote response indicator annuciating type complete all as specified and directed.

S&F SMPS (24V, 6.5Amp) complete all as specified and directed.

S&F SMPS (12V, 6.5Amp) complete all as specified and directed.

S&F in repair of fire alarm sounder / sirens electronic type horizontal single stage continous normal operation for atleast 50 minutes with sound level 65 DB to 120 DB measured at 1.5 m with sound output variation of + 5 DB 500m range for GST fire alarm system complete all as specified and directed.

S&F in repair of fire alarm control panel Main Board Card, complete all as specified and directed.

S&F in repair of fire alarm Control Panel Fuese 2 Amp AC 240 V Packet, complete all as specified and directed.

S&F in repair of fire alarm Control Panel Supply Board, complete all as specified and directed.

S&F in repair of GSM/ GPRS Modem with 2 Input and 2 Output , 12/24 DC Operated , Suitable for Communication from fire alarm control panel and sending massage to User , Webbased Programmable and configurable, complete all as specified and directed. Note:- The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ

M/S PAUL CONSTRUCTION

M/S D J ENTERPRISE

Bidder Name

M/S D J ENTERPRISE

M/S PAUL CONSTRUCTION

M/S DILIP GOSWAMI