REPAIRS/ REPLACEMENT OF MS GI, CI PIPE LINE INCLUDING VALVES AND MAINTENANCE OF WATER TREATMENT PLANT INCLUDING REPAIR TO CHLORINATION PLANTS AND SUPPLY OF CHEMICALS AND REPAIR/ REPLACEMENT OF SOLAR WATER HEATER SYSTEM AND CONNECTED WORKS AT AFS YELA

Amount

Excavation in trenches not exceeding 1.5 mtr width and not exc 1.5 mtr deep for laying of pipe and getting out in hard/dense soil all as specified and directed.

Returning, filling including spreading levelling watering and well ramming in layers not exceeding 25 cm thick hard/dense soil all as specified and directed.

Removing excavated material not exceeding 15mtr and depositing where directed to a level not exceeding 1.5 metre above the starting point all as specified and as directed.

Taking up or down steel tubing and connections, including cleaning for refixing or removal for the following sizes all as specified and directed.

15mm bore.

20mm bore.

25mm bore.

40mm bore.

50mm bore.

80mm bore.

100mm bore.

150mm bore.

Supply and laying of GI steel water tubing of the following sizes in trenches medium grade ISI marked including all types of fittings such as bends, elbows, tees, short pieces, connectors, backnuts, diminishing pieces, caps, plugs and unions etc and accessories complete all as specified and directed.

15mm bore.

20mm bore.

25mm bore.

40mm bore.

50mm bore.

80mm bore.

100mm bore.

150mm bore.

S&F of GI tubing of following sizes in walls/ceilings or laid in floors of medium grade ISI marked including all types of fittings such as bends,elbows,tees,short pieces,connectors,backnuts,diminishing pieces,caps,plugs and unions etc and accessories complete all as specified and directed.

15mm bore.

20mm bore.

25mm bore.

40mm bore.

50mm bore.

80mm bore.

S&F in replacement Gun metal gate valve/globe valve of following sizes ISI marked with Iron wheel head screwed both end for GI tubing complete all as specified and directed.

15mm bore.

20mm bore.

25mm bore.

40mm bore.

50mm bore.

S &F in replacement of GI union of following size ISI marked complete all as specified and directed.

15mm bore.

20mm bore.

25mm bore.

40mm bore.

50mm bore.

80mm bore.

100mm bore.

S&F in replacement GI nipple of following sizes ISI marked with Iron wheel head screwed both end for GI tubing complete all as specified and directed.

20 mm dia , 6inch long

20 mm dia ,9inch long

20 mm dia ,1ft long

20 mm dia ,2ft long

25 mm dia , 6inch long

25 mm dia ,9inch long

25 mm dia ,1ft long

25 mm dia ,2ft long

S&F in replacement GI socket ISI Marked for GI tubing of following sizes pipe complete all as specified and directed.

15mm bore.

20mm bore.

25mm bore.

40mm bore.

50mm bore.

80mm bore.

100mm bore.

S&F in replacement GI elbow ISI Marked for GI tubing of following sizes pipe complete all as specified and directed.

15mm bore.

20mm bore.

25mm bore.

40mm bore.

50mm bore.

80mm bore.

100mm bore.

S&F in replacement GI tee ISI Markedfor GI tubing of following sizes pipe complete all as specified and directed.

15mm bore.

20mm bore.

25mm bore.

40mm bore.

50mm bore.

80mm bore.

100mm bore.

S&F in replacement GI reducer socket of the following size dia for GI Pipe medium grade ISI marked all as specified and directed.

50 mm / 15 mm dia

25 mm / 20 mm dia

40 mm / 20 mm dia

50 mm / 20 mm dia

40 mm / 25 mm dia

50 mm / 25 mm dia

S&F in replacement GI pulg of following size dia suitable for GI Pipe medium grade ISI marked all as specified and directed.

20 mm dia

25 mm dia

40 mm dia

50 mm dia

Taking up cast iron water mains including all fittings with spigot and socket ends and lead joints including burning out joints and recovering lead of pipe of following size dia all as specified and as directed.

100mm bore.

150mm bore.

Supplying, laying, jointing and testing in replacement of 100mm dia Ductile iron pipe of class K-7 socket and spigot type all as specified and directed.

Supplying, laying, jointing and testing in replacement of 150mm diaDuctile iron pipe of class K-7 socket and spigot type all as specified and directed

Material and labour for DI specials for 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 (all sockets or socket and spigot) collars, caps and plugs up to 150mm bore Di pipes all as specified and directed.

M&L for jointing of 100mm dia DI pipes with rubber tyton joints all as specified and directed.

M&L for jointing of 150mm dia DI pipes with rubber tyton joints all as specified and directed.

M&L for gland packing in leaking Sluice Valves of following size Complete including replacing/tightening the existing bolts and nuts etc. complete all as directed .

150mm dia

100mm dia

80mm dia

Dismantling and taking down unserviceable sluice valve of following size from valve chamber/pipe line all as specified and as directed.

150mm dia

100mm dia

80mm dia

S&F of sluice valve ISI marked of following size both end flanged PN 1.0 with fixing arrangements such as bolt / nuts, rubber packing’s etc all as specified and directed. Note : Compliance certificate and hydro test report to be submitted

150mm dia

100mm dia

80mm dia

Material and labour for removing unserviceable lead joints from CI pipe line and making proper run lead joints of following size dia complete including necessary excavation, refilling and removing the surplus soil all as specified and directed.

150mm dia

100mm dia

80mm dia

Dismantling and unscrewing the bolt/nuts, taking out the suction pipe along with unserviceable foot valve of following size dia all as specified and directed.

150mm dia

100mm dia

80mm dia

Material and labour for CI foot valve ISI marked flanged type of follwing size dia , PN 0.2 complete with bolts/nuts, washers, rubber packing etc all as specified and directed.

150mm dia

100mm dia

80mm dia

Taking down unserviceable Non return valve of follwing size dia from pipe line all as directed.

100mm dia

80mm dia

S&F of CI Swing Non return valve/check valve PN 1.6 of following size dia both end flanged with fixing arrangements such as bolt / nuts, rubber packing’s etc all as directed.

100mm dia

80mm dia

Chemical and Bacteriogical analysis of water as per IS-10500 latest amendments, sample collected from bore wells/shallow wells/BWSSB water /user point all as directed. Note- water to be tested once in 6 month and approved at NABL LAB and rate is inclusive of same

Construction of valve chamber in repair of size 900 mm x 900 mm x 900 mm internal size suitable for sluice valve, with PCC (1:4:8) type (D2) for foundation one brick wall in cement mortar (1:4) PCC (1:2:4) type B1 for coping rendering in CM (1: 4) 15 mm thick including provision of mild steel sheet cover 3.15 mm thick on 40 x 40 x 6 mm angle iron frame work with two coat of synthetic enamel black paint over a coat of red oxide primer and locking arrangement including necessary excavation, earth work and demolishing the damaged valve chamber and removing debris as directed, all as specified and as shown on drawing.

S&F in repair hot water pipe duly insulated with glass wool and aluminium cladding for solar of following bore including fittings etc including removing exisiting one all as specified and directed.

25mm bore.

32mm bore.

Repair and Maint for servicing of Solar water heating systems of any types Flat plate collectors type of capacity upto 200 LPD by removing carefully the outer transperent glass plate, removing the collecter plate and tubings /evacuated glass tubings , descaling with standard bio-acid treatment to ensure free flow of water by thermo cyphen system reassembling the same duly provided with inlet and oulet water connections,stopping the leackage by replacing the old unserviceable CPVC pipe/tee/bend/broken glass tubes etc. complete all as specified and directed. Note : Items incorporated such as CPVC pipe /glass tubes,CPVC acessories etc will be measured and paid saperately in respective item

S&F in replacement of Chromium plated ,Concealed stop cock short body, cast copper alloy, screwed down for 15 mm bore dia. pipe, high pressure, with crutch handle, screwed externally both ends for unions etc. complete all as specified and directed.

S&F in replacement of Chromium plated ,Concealed stop cock short body, cast copper alloy, screwed down for 25 mm bore dia. pipe, high pressure, with crutch handle, screwed externally both ends for unions etc. complete all as specified and directed.

S&F in replacement of bib cock 15mm bore cast copper alloy as per side requirement with crutch or butterfly handle , screwed down , screwed for iron pipe or for brass ferrule and fixed complete all as specified and directed.

S&F in replacement of 16 mm external dia Chlorinated Poly Vinyl Chloride (CPVC) pipe consisting of high grade polymer effectively bonded in the inside and outside of an aluminium tube CPVC-AL-CPVC by melt adhesive (including joining/fixing with cement solvent) suitable for hot water supply from solar water heater to the bathrooms and fixed to wall, ceiling etc. including all materials, fittings and fixing works and testing of pipe line test for solvent cement joints and adhesive joints and testing of all materials shall be as per manufactures instructions, literature and confirming to IS-15450 : 2004 or ASTM -1282 including making good the disturbed surfaces complete and disconnecting existing one all as specified and directed.

All as per item No 36 above but size 20mm outer dia.

M&L in replacement of ball valve for 25mm dia, high pressure of PTMT with exoxy coated aluminium rod and high density plastic ball screwed for iron pipe and fixed (Minimum weight 25mm-455gms)complete all as specified and directed.

All as per item No.38 but size 20mm dia (Minimum weight 20 mm - 210 gms)

Supply and fixing in replacement of PVC lid cover Compatible with 500 L - 2000 L PVC Water Tanks including connected fittings etc all as directed.

M&L for inspection of solar water heater system by respective authorized agency of OEM to identify the following issues if any and carry out necessary repair for proper functioning:- Collectors: 1. unclean gazing and shading 2. Damage to collectors Piping: 1. High heat loss 2. Gate valves partially closed 3.flow blockage 4. No insulation 5. Loose connection of pipe fittings Tank: 1. High storage losses 2.Loss of heat water due to leakage etc all as specified and directed. Note:- Spare parts shall be mearsured and paid separately as supply only.

Supply only Flat plate collector asssembly of capacity 200 LPD all as specified and directed. Note: The supplied material shall be as per existing make at the site.

Supply only solar collector plate touch end glass size 1 x 4 M and 4 mm thick complete all as specified and directed. Note: The supplied material shall be as per existing make at the site.

M&L for cleaning the solar plate collectors using soft brushes or microfiber clothes to remove dust, dirt, bird droppings and debris from the surface of the collectors and apply mild noon abrasivee cleaning solution & dry the collectors with a softcloth or allow them to air dry and reseal if necessary using silicon sealant etc all as specified and directed. Note : The quoted rate is for cleaning for one time.

M&L for Disconnecting existing tanks 500Ltrs, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required and refixing after cleaning the solar water storage tanks interior surfaces using soft brushes and a mild cleaning solution to remove sediments and debris etc & rinse thoroughly through clean water to flush out all debris and cleaning solution ensuring no residue remaining in tank all as specified and directed.

S&F in replacement of heating element ISI marked thread type 3.0 KW and fixed at solar water heater tank complete with 9" long thermostate veriable type complete all specified and directed.

S&F thermostat 9" long veriable type suitable for solar water heater heating element complete all as specified and directed.

S&F of flange dummy - 63 mm dia including replacing the unserviceable one all as specified and directed.

S&F of Gasket/rubber dummy-63mm dia including replacing the unserviceable one all as specified and directed.

S&F in repair sacrificial anode 3/4 including removing unserviceable one all as specified and directed.

S&F of Hose clamp suitable for site including replacing the old unserviceable one all as specified and directed.

High strength Calcium based granular chlorination chemical of following Specifications:- (a) Chemical analysis and Physical observations:- Description:- White granules Granular size:- (Mess passing through-100 BSS): 1:1(+ 0.1%) Water/ Moisture: 5.00(+0.2)% Other insoluble Calcium salt:- 1.1(+0.1)% Mercury and other Heavy Metal contaminants:BDL.The chlorination chemical must contain appropriate quantities of dispersants/corrosion inhibitors to prevent encrustation/scaling in distribution systems (b) Strength of Items of quantity of chlorination chemical required to obtain free chlorine of 1 PPM per one lakh liters of water: Requirement must be 125-200 grams per one lakh liter of water to achieve 1 PPM Av.Cl at injection point( Site and raw water quantity variation may apply additionally) (c ) Stability:- Projected shelf life of chlorination chemical must be one year with minimal loss of chlorine (d) Handling of chlorination chemical for regular chlorination: (i)Operational considerations: Must be safe to use in terms of level of insoluble components. There must be no risks relating to encrustations in equipment and pipe lines, no sludge generation, no hard water scaling in supply water. (ii) Operator health considerations: Chlorination chemical must contains acceptable levels of granular size to avoid risks to operators from health safety point of view. (e) Safety & health hazard aspects on usages of chlorination chemical for regular drinking water chlorination: Mercury and other Heavy Metal contaminants in chlorination chemical must be Below Dectectable Limit(BDL),based on which the product must be considered safe to use from human health safety point of view and freedom from toxicity when used in drinking water chlorination in recommended dosage.

S&F in repair Rotational moulded PVC water storage tank (Cylindrical vertical with closed top) hoisted and fixed in position of capacity 500 ltrs complete all as specified and directed.

S&F in replacemtent Rotational moulded PVC water storage tank (Cylindrical vertical with closed top) hoisted and fixed in position of capacity 1000 ltrs complete all as specified and directed.

Dismantling the water storage tanks of capacity Exc 500 n Exc 100 Ltrs and removing all as specified and directed.

S&F in replacement of brass elbow suitable for CPVC pipe line of size 16 mm complete jointing etc all as specified and directed.

S&F in replacement of brass elbow suitable for CPVC pipe line of size 20 mm complete jointing etc all as specified and directed.

S&F in replacement of brass Tee suitable for CPVC pipe line of size 16mm complete jointing etc all as specified and directed.

S&F brass in replacement of Tee suitable for CPVC pipe line of size 20 mm complete jointing etc all as specified and directed.

S&F in replacement of Female brass threaded adopter suitable for CPVC pipe line of size 16mm complete jointing etc all as specified and directed.

S&F in replacement of Female brass threaded adopter suitable for CPVC pipe line of size 20mm complete jointing etc all as specified and directed.

Supply, laying, testing and Connecting of cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 1100 Volts grade, cross sectional area 25 Sqmm 4 core cable all as specified and directed.

Supply, laying, testing and Connecting of cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 1100 Volts grade, cross sectional area 16 Sqmm 4 core cable all as specified and directed.

S&F Busbar chamber step type design aluminium 200 A 4 Way all as specified and directed.

Supply and fix in repair 4 Pole MCCB 125 Amp, 50 Hz, 415 V with rupturing capacity 16 KA all as specified and directed.

S&F in repair MCB SP 6 to 32 Amp, 10 kA breaking capacity, 240V 'C' curve complete all as specified and as directed.

chowdeshwariconstructionco (BID ID -3143038)

navreet construction (BID ID -3150051)