REPAIR/MAINT OF WATER SUPPLY AND DISTRIBUTION PIPE LINES, SEWAGE TREATED WATER LINES, VALVE CHAMBERS, LADDERS AND OTHER MISC CONNECTED WORKS IN DOMESTIC AND TECHNICAL AREA

Amount

SCHEDULE A BOQ

M&L for Construction of Valve Chamber of size 600mmx 600mmx 600mm (internal) internal size suitable for Sluice Valve, with 150 mm thick PCC 1:4:8, Type D2, using 40mm graded stone aggregate for foundation, 200 mm thick Brickwork with fly ash bricks using modular bricks in Cement Mortar 1:6, 40 mm thick PCC, 1:2:4, Type B1, using 20mm graded aggregate Coping, rendering in CM 1:4, 15 mm thick including provision of Mild Steel Sheet Cover 3 mm thick with 40 X 40 X 6 mm size Angle Iron frame work embedded in concrete with suitable hinges and locking arrangements including two coat of synthetic enamel black paint over a coat of red oxide zinc chrome primer to steel surfaces and including necessary earth work excavation in any type of soil etc., removal of surplus soil off the premises complete all as specified.

M&L for Construction of Valve Chamber of size 900mmx 900mmx 900mm (internal) internal size suitable for Sluice Valve, with 150 mm thick PCC 1:4:8, Type D2, using 40mm graded stone aggregate for foundation, 200 mm thick Brickwork with fly ash bricks using modular bricks in Cement Mortar 1:6, 40 mm thick PCC, 1:2:4, Type B1, using 20mm graded aggregate Coping, rendering in CM 1:4, 15 mm thick including provision of Mild Steel Sheet Cover 3 mm thick with 40 X 40 X 6 mm size Angle Iron frame work embedded in concrete with suitable hinges and locking arrangements including two coat of synthetic enamel black paint over a coat of red oxide zinc chrome primer to steel surfaces and including necessary earth work excavation in any type of soil etc., removal of surplus soil off the premises complete all as specified.

Excavation in trenches not exe 1.5m wide and not exc 1.5 mtr depth for laying cable, pipes etc and getting out in hard/ dense soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm complete all as specified and as directed

Removing excavated material to a distance not exc. 50m and depositing where directed at level not exc 1.5 m above complete all as specified and as directed.

Supply and fix in repairs 90 mm outer diameter of pipes 3 Layer PP-R Polyproplyne random copolymer concealed SDR 7.4 (PN 16 @ 20°C) UV stabilized and antimicrobial fusion welded havIng thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropyelene random fittings complete

(a) All as per Item No. 7 herein before but 3-layer PP-R pipe size of 63 mm outer dia .

(b) All as per Item No. 7 herein before but 3-layer PP-R pipe size of 50 mm outer dia .

(c) All as per Item No. 7 herein before but 3-layer PP-R pipe size of 32 to 40 mm outer dia.

(d) All as per Item No. 7 herein before but 3-layer PP-R pipe size of 25 mm outer dia.

(e) All as per Item No. 7 herein before but 3-layer PP-R pipe size of 20 mm outer dia.

Note for item No 7 to 12 :- (a) The unit rate shall be include for taking down existing pipe and connections and all fittings as directed.

(b) The unit rate shall include the cost of short lengths, with all pipe fittings such as bends, tees, short pieces connectors, elbows, reducers, unions, sockets etc and fixing accssories such as pipe hooks, screws clamps etc

(c ) Wall thickness of pipes shall be all as per IS : 15801

S&F 90 mm outer dia PP-R Gate Valves (Brass insert) with iron wheel head screwed both ends for iron pipes and including taking out unserviceable Gate valves complete all as specified and directed.

(a) All as per Item No. 16 herein before but gate valve size of 63 mm outer dia .

(b) All as per Item No. 16 herein before but gate valve size of 50 mm outer dia .

(c) All as per Item No. 16 herein before but gate valve size of 40 mm outer dia .

(d) All as per Item No. 16 herein before but gate valve size of 32 mm outer dia .

(e) All as per Item No. 16 herein before but gate valve size of 25 mm outer dia .

S & F Sluice Valve, Cast Iron body, Stainless Steel Spindle, Gun Metal Rings including Wheel for operation, Flanged and Drilled, suitable for 150 mm dia pipes, confirming to IS - 14846, Class PN -1.6, Long Body type including all Joints with Rubber Gasket and Jointing Materials, Bolts, Nuts, Washer complete including taking down existing UNSV sluice Valve all as specified and as directed.

(a) All as per Item No. 22 herein before but Sluice valve size of 100 mm outer dia .

(b) All as per Item No. 22 herein before but Sluice valve size of 80 mm outer dia .

S&F Gun Metal gate or globe valve with iron wheel head screwed both ends for iron pipes and of 25mm dia bore including fixing accessories and taking down unserviceable Gun Metal gate valve from existing places complete all as specified and directed.

(b) All as per Item No. 25 herein before but gate valve size of 40 mm outer dia .

(b) All as per Item No. 25 herein before but Sluice valve size of 50 mm outer dia .

S & F Butterfly valves of 150mm bore including joints with rubber gasket and jointing materials bolts, nuts, washers, including taking out existing unserviceable butterfly valve complete all as specified and directed

(a) All as per Item No. 28 herein before but Butterfly valve size of 100 mm outer dia .

(b) All as per Item No. 28 herein before but Butterfly valve size of 80 mm outer dia .

Supply and fix CI foot valve 100mm dia to suction line of exisiting pumping set with bolts, nuts, rubber packings, etc including taking out old unserviceable one by dismantling suction pipe from pump set all as specified and directed.

Supply & fix in repairs GI pipe 50 mm bore medium grade for cable protection complete all as specified and as dierced by Engr-in-Charge. Make : Tata, Jindal, Surya Prakash Note : Cutting existing road , excavation & taking down existing pipe of any description and 150 mm thick PCC 1:2:4 type B1 as in road will be measured and paid separately.

Supply and lay UPVC pipe class “SCH 40”, 100 mm dia, conforming to IS 13592 with all fittings (specials) and fixtures including disconnecting and taking out old unserviceable pipe with fittings complete all as specified and directed. .

(a) All as per Item No. 33 herein before but UPVC pipe size of 75 mm dia .

(b) All as per Item No. 33 herein before but UPVC pipe size of 50 mm dia .

(c) All as per Item No. 33 herein before but UPVC pipe size of 32 mm dia .

(d) All as per Item No. 33 herein before but UPVC pipe size of 25 mm dia .

Supply only plain union for 3 Layer PP-R SDR 7.4 (PN 16 @ 20°C) of size 32 mm.

Supply only Reducer 63mmx32mm for 3 Layer PP-R SDR 7.4 (PN 16 @ 20°C).

Supply only female threaded adaptor suitable for 3 Layer PP-R SDR 7.4 (PN 16 @ 20°C) of size 32 mm.

Supply only Elbow 90 degree for 3 Layer PP-R SDR 7.4 (PN 16 @ 20°C) of size 32 mm.

Supply only Male Threaded Adaptor for 3 Layer PP-R SDR 7.4 (PN 16 @ 20°C) of size 32 mm.

Supply only female threaded elbow suitable for 3 Layer PP-R SDR 7.4 (PN 16 @ 20°C) of size 32 mm.

Supply only female threaded union suitable for 3 Layer PP-R SDR 7.4 (PN 16 @ 20°C) of size 32 mm.

Supply only reducing Tee 63mmx32mm for 3 Layer PP-R SDR 7.4 (PN 16 @ 20°C).

S&F PVC water storage tank cover suitable for 500 to 1000 ltrs capacity tank with locking arrangement complete including taking down of existing one all as specified and directed

(a) All as per Item No. 46 herein before but PVC water storage tank cover suitable for above 1000 lts to 2000 ltrs .

S & F Ball valves high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe and pipe and fixed for 20 mm dia bore and including taking out unserviceable ball valves complete all as specified and directed.

(a) All as per Item No. 48 herein before but Ball valves high pressure of PTMT size 25 mm dia. .

S&F Rotational moulded polythene water storage tank ISI Marked of 2000 Ltrs capacity (three layer white colour) cylinderical vertical with closed top including 3 Nos GI check nuts and tank nipple of 25mm bore for inlet and outlet, 25mm bore ball valves high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball hoisted and fixed in position all as specified in SSR part -I including taking down of old unserviceable tank complete all as specified and directed.

(a) All as per Item No. 50 herein before but water storage tank 1000 ltrs capacity.

(b) All as per Item No. 50 herein before but water storage tank 500 ltrs capacity.

S & F Ductile Iron Pressure Pipes, Centrifugally Cast [Spun], Class "K-7" for 100mm bore with Socket and Spigot ends conforming to IS - 8329 in standard lengths suitable for Push-On Rubber Gasket Jointing with inside Cement Mortar Lining and Black Bitumen external coating including taking down existing unserviceable pipe of any description and any size complete all as specified and as directed.

All as per Item No. 53 herein before but Ductile Iron Pressure Pipes, Centrifugally Cast [Spun], Class "K-7" for 150mm bore .

Note for item No 53 & 54 :- Excavation earth work and DI fittings shall be measured separately under relevent item. The quoted rate is deemed to be inclusive for taking down old DI pipes.

S & F in repair DI fittings Bend,(any type ,radius and angle) tapers any type (straight, bend,increasing,decreasing or double socket etc), Tee pieces, connection pieces, collers, caps and plugs complete all as specified and directed

M&L Flat Three Core PVC Insulated & PVC Sheathed Industrial Cable for Submersible Pump Motors 1100 Volt, conforming to IS 694, 6 sq mm nominal area complete including taking out old unserviceable cable complete all as specified and directed.

S&F in repair, multi stranded, PVC insulated and sheathed, unarmoured 25 sqmm, 3 core copper conductor cable, 1100 volts, with copper conductor, ISI marked, IS-1554/ IS-649 for starter to motor connector block with connections (lugs, nuts, bolts, washers) complete all as specified and as directed.

S&F in repair, multi stranded, PVC insulated and sheathed, unarmoured 4 sqmm, 3 core copper conductor cable, 1100 volts, with copper conductor, ISI marked, IS-1554/ IS-649 for starter to motor connector block with connections (lugs, nuts, bolts, washers) complete all as specified and as directed.

S & F in repair FRLS insulated stranded copper conductors unarmoured cable of 4 core of 6 Sqmm for starter to motor connector block with connections,brass (lugs, nuts, bolts, washers) complete all as specified and directed.

M & L Cutting existing road/PCC/Drain for laying of DI/GI or any type of pipe including necessary earth work, excavation exc 600mm depth but not exc 1mtr depth, wide 800mm including making good existing surface with 150 mm thick PCC 1:2:4 type B1 using 20mm graded stone aggregate complete all as specified and directed.

Note for item No 61 :- The tenderer shall take into consideration for following points while quoting his rate for this item and the unite rate is deemed be included for :-

(i) Earth work excavation in any type of soil

(ii) Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cm thick complete all as specified and as directed.

(iii) Removing excavated material to out side MD land

(iv) Taking down the pipes under soil of any type/size

(v) 150 mm thick PCC 1:2:4 type B1 using 20mm graded stone aggregate as in road to make good existing disturbed surfaces.

M & L for Rectification of leakage of GI pipe diameter 80 to 100mm in trench after carry out excavation upto volume of 2 cum, replacement of unserviceable pipe fittings like collar, bend, Tee, Reducer, etc, including threading of existing pipe, including returning and filling after repairs for making good as per original and removal of surplus soil upto 50 mtr distance all as directed.

M & L rising/down pipe of 150mm DI pipe, K-9 with flanges for fixing as rising/ down/wash out pipes for over head water reservoir upto 18mtr elevation including arragement of scafolding and other lifting equipments, repairs to damaged surfaces to match with existing specifications and removal of old corroded pipes complete all as specified and directed.

M&L Rectification of existing defective flanged joints with rubber or fibre gasket complete with necessary nuts, bolts and washers for 100 mm dia GI/DI/MS pipes complete all as directed. Note:- a) quoted rates are inclusive of cutting of GI/DI/MS Pipes, jointing materials and preparation of new flanged sockets and refixing the same at existing place. (b) Necessary excavation shall be measured and paid separately under respective items of BOQ

Attending day to day water supply service related complaints like choking of rising main pipes of buildings, blockage in control valves/ float valves/ pipe fittings, etc, applying necessary engineering efforts like dismantle of pipes and fittings to clean and remove blocking objects, descaling of pipes, re-fixing of pipes on wall, etc to restore the proper flow of water to service tanks all as specified and directed by Engineer-in-Charge.

Note for item No 71 :- (a) The contractor has to attend above mentioned job in any location of entire domestic and tech area of Air Force Stn Sulur.

(b) The service tanks are positioned on roof top of multi storied buildings upto four storey. Contractor is responsible to ensure that the labour employed should be equipped with safety items like industrial helmet, safety belt, extensible ladder of 40 feet length, plumbing and cuttings tools, etc.

(c) The cost of rethreading of GI pipes of 25mm dia and adding of new GI nipple of suitable length after rethreading is deemed to be included in the quoted rate.

(d) Due to shortage of water in the station, the repair work and testing required under this item need to be carried out during water supply distribution hours i.e. 5:30 AM to 7:30 AM. Nothing extra shall be permitted in this regard.

(e) The cost of repair to the damages of cemented surfaces/ external finishes/ metal clamps of rising pipes are also deemed to be included in the quoted rate.

(f) In case of any delay in attending the complaint more than 6 hrs after handing over routine/urgent complaints, the contractor shall be liable to pay the penalty as described in penalty clause given here as under.

(g) If the delay is more then 06 hrs period and the GE is not satisfied with the reason for delay then penalty at the rate of Rs 100/- per job shall be deducted from the dues of the contractor. Please note that this penalty is exclusively other then the condition 56 of IAFW - 2249 and shall be treated as interim condition of the contract and shall be enforce above as and when delay in individual job is noticed and no claim whatsoever on this account shall be entertained by the Deptt.

(j) The decision of the Accepting Officer in this regard shall be final and binding.

M&L Arrangement of Chemical and bacteriological analysis of drinking water by collecting samples from different sources like UG sumps/ user end taps/ bore wells/ open wells etc located in 12 km periphery, collection of samples in sterrilized laboratory bottles/ canes, transportation to authorised Govt laboratory to deposit the samples in stipulated time, including payment of fees, collection and submit of reports to the Engineer-in-Charge complete all as directed.

Note for item No 80 :- (a) Cost of transportations for collection of sterrilized bottles from laboratory, deposition of collected samples in stipulated time, report collection after completion of tests, payment of fees to the laboratory for each sample, etc are deemed to be included in the quoted rate. (b) The rate quoted is considered to be for each sample. (c) Sample from different sources to be taken as per time schedule directed by Engineer-in-Charge throughout the currency of the contract. (d) Payment will be made after submission of report from authorised Govt laboratroy only.

M&L Removing of accumulated earth over water supply mains of any width and depth up to 30 cm. including cleaning/cutting the grass and removing the grass waste to outside MD land complete all as specified and as directed. Note :- The unit rate quoted is deemed to be inclusive of following:- (a) Cutting and filling shall be cleared of shrubs, vegetation, grass bush, weed, trees and sapling not exceeding 30 cm in girth, measured at a height of two metre above ground level. Useful material shall be stacked. (b) Cutting the grass/felling of trees shall include digging out roots up to 60 cm below the ground level or 14 cm below the formation level, whichever is lower. All holes and hollows formed in the ground digging out of roots shall be carefully filled up with moorum/red bajri well rammed and levelled.

Cleaning of service tanks of the capacity as mentioned below on roof top of bldgs upto five storey after disconnection from inlet and outlet pipe, removing of float valve of service tank and keep aside safely for reuse drain out water through drain plug, cleaning thoroughly to remove all scales and dirt by brushing internal surface, cleaning properly inside with soda wash, flushing out with fresh water, re-positioning of tank at same place, re-connecting inlet and outlet pipes, closing of drain plug, re-installation of float valve duly cleaned, writing/ labelling the record of cleaning carried out with white bold letter such as "TANK CLEANED ON"--------- (month and year), including removing creepers, vegitation and roots of plants, trees branches on or surrounding of service tank complete all as directed. Note:-(i) Unit rate quoted is deemed to be included for testing of water supply in tank both inlet and outlet flow during next supply hours early in the morning or late in evening. (ii) Contractor shall maintain a pucca bound register for cleaning carried out with date and obtain users signature and remarks if any and this register to be submitted alongwith RAR. (iii) Contractor is liable to rectify any damages to the external finishes of the bldg occured during the cleaning process, i.e. scrubbing and touch up with external paints as existing specifications. Unit rate quoted is deemed too be included the cost of the same. (iv) All sort of petty T&P items such as ladder, safety equipment, nuts, bolts, washers etc. required to accomplish the job shall be provided by the contractor with out any extra cost to dept.

(a) For masonry /PVC tank exceeding 250 liters and not exceeding 500 ltrs

(b) For masonry /PVC tank exceeding 500 liters and not exceeding 1000 ltrs

(c) For masonry /PVC tank exceeding 1000 liters and not exceeding 2000 ltrs

M & L Cleaning of UG open static Water Tank (SWT) of the following capacities by involving of the followings 07 (Seven) stage of cleaning process complete all as specified and directed (i) De-watering by high pressure submersible pump all complete (ii) Removal of sludge/mud/slit/sand from sump and disposal out side MD land (iii) Cleaning of walls, floors, ceiling etc by high pressure jet pump 80-180 bar pressure all complete (iv) Removing dirt and sludge by vacuum pump (v) Applying one coat of white wash internal surfaces. (vi) Replacenylon net for vent pipes & man hole cover (vii) Writing letter in bold with white paint on black colour back ground such as sump number, capacity, cleaned on Date & Due on Date etc Note : The contractor shall arrange mobile generator for operation of dewatering by high pressure submersible pump (or) Diesel driven high pressure pump and the unit quoted rate is inclusive of rent/hiring charges complete.

(a)15000 Gallons capacity, Approximately Inner diameter 19 Feets to 20 Feets and outer dia 22 Feet to 23 feet

(b)10000 Gallons capacity, Approximately Inner diameter 16 Feets to 17 Feets and outer dia 18 Feet to 19 feet

Note for Item No 87 to 89- (a) Dewatering pump of suitable capacity shall be arranged by the contractor. (b) Material removed from the UG sumps/OHT's shall be deposited off at a distance of 50 mtrs away from. (c) UG sumps/OHT's shall be made available for cleaning for a period of 08 hours only. (d) Contractor has to arrange sufficient labour/T&P to complete the job with in the given period only

M & L Drain out existing contaminated water from open well/ dug shallow well of size 9 mtr x 4 mtr depth upto 20 to 35 mtr by pumping with the help of diesel driven pump set of not less than 20 HP and pipe complete, taking out of waste materials/ sludge, loose soil from bottom surface of well upto 2 to 3 mtr depth with the help of lifting trolley and further digging and getting out soil upto 1 mtr depth of bottom surface of well, removing grass and vegetation from inner walls of well including disinfection with high power sodium hypo chlorite liquid of not less than 60% chlorine concentration to disinfect all pathogens and coliform organisms from the wall surfaces of well to make a safe and clean spring in the well complete all as specified and directed by the Engineer-in-Charge.

M & L Drain out existing contaminated water from open well/ dug shallow well of size 20 mtr x 10 mtr depth upto 20 to 35 mtr by pumping with the help of diesel driven pump set of not less than 20 HP and pipe complete, taking out of waste materials/ sludge, loose soil from bottom surface of well upto 2 to 3 mtr depth with the help of lifting trolley and further digging and getting out soil upto 1 mtr depth of bottom surface of well, removing grass and vegetation from inner walls of well including disinfection with high power sodium hypo chlorite liquid of not less than 60% chlorine concentration to disinfect all pathogens and coliform organisms from the wall surfaces and bottom surface of well to make a safe and clean spring in the well complete all as specified and directed by the Engineer-in-Charge.

Note for item No 91 & 92 :- The tenderer shall take into consideration following points while quoting his rate for these items and the unit is rate deemed to be included for :-

(i) The above mentioned job to be done in restricted technical area of Air Force Stn Sulur. The tenderer are advised to visit the site before quoting the tender. On account of security reason no compensation or extra shall be admissible due to any misunderstanding or loss of man-hours.

(ii) Due to acute shortage of water, open wells will be handed over to carry out the job in phase manner by Engineer-in-Charge throughout the currency of the contract.

(iii) The contractor shall be provide dewatering pump of suitable capacity and mobile generator for operation of dewatering by high pressure submersible pump (or) Diesel driven high pressure pump and the rate quoted rate is inclusive of rent/hiring charge complete.

(iv) An necessary T&P to ensure safely of labours like safety jackets, ropes, nets, helmets, gumboots etc required will be the responsibility of the contractor.

(v) The potability of water is to be checked after filling fresh yield after cleaning and if the result is found not within the stipulated range, the cleaning and disinfection of well is to be repeated by the contractor without claiming any extra cost from the deptt.

(vi) Charges for water testing will be measured and paid seperately under respective item.

(vii) Material removed from the tank shall be disposed off at out side MD land.

(viii) Open well/ Dug Shallow well shall be made available for cleaning for a period of 2 days only and contractor has to arrange sufficient labour/ T&P to complete the job with the given period only. or otherwise penality shall be imposed @ Rs 2000/- per day.

(ix) Please note that this penalty is exclusively other than the condition 56 of IAFW-2249 and shall be treated as interim condition of the contract.

(x) The decision of the Accepting Officer in this regard shall be final and binding.

(xi) The unit rate is deemed to be included the cost of removing vegetaion/ grass/ trimming of tree branches etc from atleast 5 mtr surrounding of well and pumping room.

S & F Pressure pump of capacity 1HP 240 volt 50 HZ, with 24 Ltr air tank including taking down existing one and fixing accessories complete all as specified and directed.

Supply and fix in repairs of DOL starter capacity of upto 3 HP single phase, 50Hz with encloser including connecting electrical cable connections etc complete all as specified and directed.

S & F MPCB, TP 100 Amps with suitable wiring for stater control panel including taking out unserviceable worn out MPCB complete all as specified and directed.

S & F Single phase preventer with suitable wiring for stater control panel including taking out unserviceable worn out single phase preventer complete all as specified and directed.

S & F Power contactors 3 pole, AC 3 phase 32 Amps,with aux contacts 2 NO+2NC complete including taking down existing oneall as specified and directed.

S & F DOL starter suitable for upto 5 HP, single phase 240V, 10-40 Amps motor pumping set including replacing the unserviceable wiring kit complete including taking down existing one all as specified and directed.

S & F Submersible pump Controller 1HP to 3HP, Relay 13-22 A Range, in sheet steel enclosure, Type MR-G2 with dual meter (Ammeter and voltmetre) Version 3 Phase complete including taking out old one complete all as specified and directed by Engineer-in-Charge.

M & L Earthing with Galvanised Earth Plate Electrode 600x600x 6mm thick burried directly in Ground (Earth Pit not less than 2.25 Metre below Ground Level) with Top edge of the Plate not less than 1.50 Metre below Ground Level, connected with Galvanised Earth Strip of size 25x6mm by means of Bolts, Nuts, Check Nuts and Washers of GI or Steel and connected Earthing Testing Point/Bus-bar including GI 40mm bore (dia) light grade Protection Pipe, Earth Plate surrounded by a packed thickness of Char Coal or Coke Dust mixed with Common Salt, Magneisum Sulphate (1 : 1 : 0.5) in alternate layers of not exc 150mm thick, PCC Pit in Cement Concrete 1:3:6 (20mm graded stone aggregate) and Pre-cast RCC Cover Slab of size 350x350x50 mm in Cement Concrete 1:2:4 (20mm graded stone aggregate), reinforced with 10mm dia TMT Bars @ 100mm Centre to Centre in both ways, GI Wire Mesh, Funnel with GI Watering Pipe 20mm bore (dia) medium grade including necessary Excavation in any type of soil, Returning, Filling in and Removal of surplus Spoil disposal to out side MD land and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and Testing on Completion including taking down old unserviceable one, complete all as per specified and as directed.

Note for Item No 112 :- (a) All Joints should be joined by Exothermic Welding or Brazing.

(b) After completion of work earthing shall be tested by the contractor in presence of Engineer-in-Charge, User and proper record shall be maintained.

(c) Earth resistance tester shall be provided by the contractor. It should be caliberated from authorised company/ lab.

(d) After testing if desired earth resistance of less than 5 Ohm is not obtained, the earthing will be redone at no extra cost to Govt till desired result is obtained.

S & F in repairs Ladder for OHT/ UG sump with MS square bar,angle iron,channel, Flat Iron and etc welding, drilling, cutting with two coats of synthetic enamel paint over one coat of rex oxide primer complete all as specified and directed by Engineer in charge.

Note for item 1 to 117 :- (i) The Contractor is deemed to arrange necessary tools and equipments, removing or alteration of fittings from existing pipe lines, arragement of plugging devices, etc to build up specified pressure required to wash out the pipes. This will be inclusive in quoted rate. (iii) The flushing out shall be carried out with fresh filled water of well only duly chlorinated with specified sodium hypochlorite solution to disinfect the pipe lines from all pathogens and Coliform organisms. The quoted rate is deemed to be inclusive for the above

S KUMARAN

CAK Enterprises

KRISHNA ENTERPRISES

KUMAR AGENCIES

A.GOVINDARAJ

p.chinnasamy

D.R ASSOCIATES

KSR AND COMPANY

NLK Construction

NAVEEN ENTERPRISES

M/s.Sai Agency