Operation and Maintenance of Fire water system in IGCAR, Kalpakkam during the year 2025-2026.

Amount

All kinds of soil with depth upto 1.5m below average Ground level and disposing surplus excavated earth upto a lead of 50 metres.

Conveying the surplus excavated earth & debris, boulders and spoil by mechanical means and depositing at places inside DAE installation identified as Dumping yard as per requirement with a lead specified below including loading, unloading, breaking clods, levelling all complete as per specification and as directed by the Engineer-in-Charge. Note: 1) The rates in respect of this Item are applicable for the NET Quantities arrived at after making deductions for voids @ 20% in respect of soil and @ 50% in respect of Rock from the corresponding Stack / Truck measurements. 2) The earth shall be dumped well inside the Dumping yard and not over approach pathway road.

Lead charges for lead Exceeding 2 kilometre but not exceeding 3 kilometre

Clearing light jungle area of all kinds of shrubs, bulb weeds, grass, small plants, branches including cutting all unwanted plants, branches, twigs, wild growth, thorny leaves etc. complete, and disposing the same as place specified by Engineer, transporting at contractors own cost complete all as directed by the Engineer-in-Charge. Note: The unwanted cut bulb weeds, wild grass, unwanted vegetation are to be periodically collected and transported to dumping yard. During execution period any damages shall be rectified to the original at contractor cost. The measurement for payment shall be taken prior to cut the jungle and as directed by the Engineer-in-Charge. The rate shall include the cost of labour, transportation, loading, and unloading at dumpyard or place as directed by Engineer-in-Charge.

Levelling, bull-dozing the heeped / dumped loosened earth / debris etc., by hiring JCB / Bull-dozer etc., including transporting, operating the vehicle, operating the vehicle by engaging driver/operator with valid driving license, diesel charges, insurance and admissible taxes, labour if any required etc. complete all as directed by Engineer-in-Charge.

Providing and laying plain cement concrete 1:4.5:8 using 25mm maximum size graded aggregates and crushed stone sand including mechanical mixing, transporting and placing in required position, ramming, compaction, levelling, curing, shuttering, dewatering if any, complete all as per specification for levelling courses in foundation for walls, footings, floor drains etc., encasing pipes and other required works directed by Engineer-in-Charge complete all as per specifications.

Providing and laying cast insitu controlled reinforced cement concrete of specified grade at all levels and lifts mentioned below using 20mm maximum size hard granite machine crushed graded stone aggregates and crushed stone sand including weigh batching, charges for mixing & cost of admixture, mechanical mixing, transporting and placing at all lifts, vibrating, consolidating, curing and finishing smooth of all exposed faces complete for column footings, columns, lintels, sunshades, gutter slabs, beams, slabs, water tank, machine foundation and all other structural elements including dewatering wherever necessary (Formwork and reinforcement will be paid for separately) all as per specification and all as shown in drawings and as directed by the Engineer-in-charge for all insitu item. Note: 1. The rate of concrete shall include all labour, equipment, charges for mixing & cost of admixture. Chemical admixture conforming to IS 9103 shall be mixed in fresh concrete and prior permission from Engineer-in-charge shall be obtained for dosage and compatibility 2. Test certificate of cement, procured from dealer/company to be submitted for all cement related works by the Contractor. 3. The rate shall be quoted on the basis of using minimum cement per cu.m. of concrete mentioned below for relevant grade of concrete. Any upward/downward variation required to obtain the specified strength will be paid for or deducted at the rate of cement specified in Schedule F.

M30 grade with 370 kg. of cement per cu.m. of concrete upto plinth level

Providing, straightening, decoiling wherever necessary bending, cutting, binding and fixing in position steel reinforcement TMT bars of Fe500D grade steel conforming to IS:1786 SAIL or VIZAG or approved equivalent make and tying with approved annealed binding wire of 1.6mm dia in all reinforced cement concrete work at all lifts, including cost of supplying and fixing the spacer/cover blocks in cement mortar 1:2 and binding wire complete all as per specification and as directed by the Engineer-in-charge at all lifts. Note: The rate shall be including the cost of reinforcement steel. The reinforcement steel will be procured from dealers with a test certificate as approved by the department. For further details please see point 7 of Section VIII, General Information for Guidance of Tenderers.

Supplying, fabricating, erecting and fixing in position at all levels, centering and shuttering to correct line and levels including strutting, propping, etc., with necessary bracings in all axes to give a stable assembly with provision for making the joints in the shuttering fully leak proof and with provision for fixing coil nuts with tie rods along with suitable channel for lateral supports and for inserts, projecting dowels, anchor bolts or any other fixture, including staging, access and working platforms etc., all complete as specified and directed including dismantling and removing the aforesaid assembly after the concrete attains the sufficient strength to self-support itself without cracking and distortion all as per specification, including all materials and labour complete in all respects at all lifts. The measurement for the formwork will be the actual area of forms in contact with concrete surfaces. Shuttering with plywood panels alone will be permitted.

Providing and constructing brick masonry at all lifts using well burnt stock bricks in cement mortar 1:6 using crushed stone sand including scaffolding, raking out joints, curing complete as per specifications and drawings for foundation, superstructure, etc. for the following floors.

for Basement and Ground Floor

Providing plastering to the external surfaces of brickwork/concrete at all elevations in cement mortar 1:5 using crushed stone sand, 20mm thick in two coats including hacking of concrete surfaces with pointed tool, scaffolding, finishing, curing, forming grooves wherever necessary, all as per specifications.

Providing and constructing Random Rubble masonry in cement mortar 1:6 using hard granite stones obtained from approved quarry with bond stones at 2.00 metres apart for foundation, basement and in superstructure, compound/boundary walls, including sizing of stones if required, raking out joints, scaffolding, curing etc., complete all as per drawing, specifications and as directed by Engineer-in-Charge at all lifts.

Providing Flush pointing over the random rubble masonry wall with cement mortar 1:3 at all levels including scaffolding, curing, forming grooves wherever necessary all as per specifications, drawings and as directed by Engineer-in-Charge.

Providing, supplying, cutting, bending to shape, welding, fabricating, hoisting, placing and fixing in position structural steel members like MS structural embedment’s/pipe and sleeves/penetration etc. using MS angles, channels, I-sections, plates, tees, flats, rounds, sag rod, square sections etc. including chamfering and rounding off the edges, applying a coat of Red lead paint primer / Zinc chromate primer of approved make and 2 coats of flat oil paint / synthetic enamel paint of approved colour and make, scaffolding and staging required for fabrication as well as erection complete all as per specifications, drawings and as directed by the Engineer-in-charge. Note: Lifting device arrangements if any required also arranged by the contractor at his own cost.

Providing and applying first coat of primer with ready mixed red oxide primer and second coat of primer with ready mixed red oxide zinc chromate primer and third coat of synthetic enamel paint of approved brand and manufacturer on steel works including preparation of the surfaces, scaffolding complete all as per specifications and as directed by the Engineer-in-Charge.

Supplying and fixing in position of heavy quality Cast Iron manhole frame and cover, steps etc of specified weight for the inspection chamber, valve chamber etc. all as per specifications and as directed by the Engineer-in-Charge.

Providing and fixing bolts including nuts and washers of approved size, quality and make as per requirements as per specifications and drawings complete all as directed at site by the Engineer-in-Charge.

Providing and fixing ISI marked Pressure gauge of 100mm (4 inch dia of range 0 to 20 Kg/Sq.cm including cost of GI specials (nipples) etc., complete all as directed by the Engineer-in-Charge.

Providing and fixing of Type A washers for Hydrant shall conform to IS 5382-1985 and IS937-1981, shall be free from surface imperfections, blisters, porosity, grittiness and foreign matter, it shall have smooth finish and nominal size of washer is 63mm, outer dia is 78mm over all thickness is 22mm used for female coupling complete all as per the direction of Engineer-in-Charge.

Providing and fixing of Type B washers for Hydrant shall conform to IS 5382-1985 and IS937-1981,Shall be free from surface imperfections, blisters, porosity, grittiness and foreign matter, it shall have smooth finish and nominal size of washer is 63mm, over all thickness is 5mm used for Hydrant spindle fitting complete all as per the Direction of Engineer-in-Charge.

Painting, writing and numbering of fire hydrants, scour valve, sluice valve and air valve etc., including providing 3 coats white base painting for lettering and letter marking shall be fire red colour paint and marking letters of numerical and words shall be of size 100mm. Scope of work covers cost of paint, labour, brushes, preparation of surfaces and writing letters, stencils etc., complete all as directed by the Engineer-in-Charge.

Making flanged joints of the following DI pipes, specials and valves, providing and fixing standard size and numbers of MS bolts, nuts and washers, 3mm thick ply rubber insertion and testing the joints to 14 kgs / sq.cm. hydrostatic pressure and making good all the defects and leakages inclusive of cost of all jointing materials, bolts and nuts and labour etc all as per standard specification and IS:8329 and IS:9523 and as directed by the Engineer-in-Charge.

80mm dia

100mm dia

150mm dia

200mm dia

250mm dia

Supplying and fixing, tested heavy quality DI specials / fittings K12 class socket, spigot and flanged specials such as bends, collars, tapers, tees, duckfoot bend, flanged socket and flanged spigot tail pieces, blank flanges etc and confirming to IS:9523 and IS:8329. Drilling holes to the flanged fittings shall be PN 25 Classification and socket specials / fittings shall be suitable for rubber gasket (SPR) pushon joints etc complete. (Joints will be paid for separately under relevant items). - 80 to 300mm dia

Providing and fixing following dia heavy duty Polypropylene foot valve flanged end type including the cost of labour charges etc., all as directed by the Engineer-in-Charge.

80mm dia

100mm dia

Providing and fixing in position the following sizes of Cast iron sluice valves Kirloskar or Leader or Kartar or approved equivalent make’ conforming to IS 780 class I non-raising spindle ends flanged and drilled to IS 8329:2000 and IS 9523:2000 to PN 16 classification etc. complete all as directed by the Engineer-in-Charge. (Making flanged joints will be paid for separately under relevant items.)

80mm dia

100mm dia

200mm dia

250mm dia

Providing and fixing Air valve Kirloskar or Leader or Kartar or approved equivalent make’ consisting of double air valves of following size and ends flanged and drilled to IS 8329:2000 and IS 9523:2000 to PN16 classification including CI chamber, float, lever & poppet valve etc., confirming to relevant IS code complete all as directed by the Engineer-in-Charge. (Making flanged joints will be paid under relevant items)

80mm dia

100mm dia

Dismantling Plain Cement concrete by manually / by mechanical means at all levels, carefully without damaging adjacent structures including disposal of debris with 50m lead, labour, tools required etc. complete in all respects as per specifications and directed by the Engineer-in-charge.

Dismantling of RCC works at all levels by manually / by mechanical means, including Cutting and stacking of steel reinforcement bars and disposal of unserviceable materials within 50m lead as per specifications and directed by the Engineer-in-charge.

Dismantling brick work in cement mortar at all levels by manually / by mechanical means, carefully without damaging adjacent structures including stacking of serviceable materials and disposal of unserviceable materials within 50m lead all as per specifications and directed by the Engineer-in-charge.

Demolishing Stone rubble masonry in cement mortar at all levels by manually / by mechanical means, carefully without damaging adjacent structures including stacking of serviceable materials and disposal of unserviceable materials within 50m lead as per direction of Engineer-in-charge.

Maintenance of Fire water supply services CI sluice valves, NRV, GM gate valves, Scour valves and Air valves of different sizes at various locations in IGCAR area clearing earth / mud/debris/bushes on the top of manhole chambers, Removing the cover slab / CI man hole cover, cleaning inside the manhole chamber, repairing of valves, replacing gland packing, bolts and nuts, dewatering wherever necessary etc., complete including cost of all maintenance materials and labour all as directed by the Engineer-in-Charge.

Maintenance of foot valves / check valves of Fire water pumps at pump house including disconnecting suction pipe, lifting from UG Sump, removing foot / check valves, repairing, changing the leather, bolt and nuts, refixing suction pipe, testing etc., complete including cost of leather, bolts, nuts and labour valve sizes from 150mm to 40mm, all as directed by the Engineer-in-Charge.

Labour charges for flushing of dedicated fire water system of IGCAR sector - wise including pressurising lines and removing sediments inclusive cost of all skilled and unskilled labours for operating valves, hydrants, pumps etc. and conveyance of materials, tools etc. to different locations and as directed by the Engineer-in-Charge.

Cleaning the under ground sump (capacity 4.5 lakhs litres) of Fire water system in Pump house including lifting the cleaned silt, sand etc., to the top of sumps, cleaning the sump with bleaching powder and disposing all the cleaned materials away from the sumps as directed by the Engineer-in-Charge.

Maintenance of fire hydrants including opening the fire hydrant protective cages, lubricating the protective cages locks and cleaning inside & outside of cages, maintaining & repairing the sluice valves, replacing gland packing, lubricating the sluice valve wheels, bolts, nuts and washers and cleaning the hydrant platform including removing vegetation etc., complete all as directed by the Engineer-in-Charge. Note: The contractor should provide the lubricant at his own cost.

Maintenance of all types of pumps (Jackey Pump, centrifugal Pump and Diesel Pump) and Motors of capacity 7.5, 18.5, 45 & 62.5 KW all the machineries in good working condition including rectifying the problems arising in those machineries at Fire water System, Garden water System and other connected works involving operation and day to day cleaning of pumps and Motors etc., Note: 1) Contractor has to engage a minimum of 1 no. ISI certified mechanic in general shift every day throughout the year including holidays (Timing of General shift 9:00 hours - 17:30 hours). If any short fall found during the contract period, he will be penalised at the rate of 1 job / mechanic / day shall be deducted from the RA bills.

Recording the pressure gauge readings in different locations of IGCAR along the fire water system lines including inspecting all the hydrant points and gauges and maintaining the records, cleaning the area of the fire water system pump house, stores, electrical panel room, approach roads etc. by removing unwanted leaves, waste materials and Checking of priming of centrifugal pump viz. Fire water pumps, Jackey pumps, diesel pumps etc. including operating priming water systems and confirming that the above said pumps are holding priming and delivering water to the Fire water system etc. complete in each and every shifts in a day. It is also ascertained that the all the above said pumps are in working condition by operating every above said pumps in a days including cost of labours etc. complete as directed by the Engineer-in-charge. The person engaged in Fire water system pump house should stay in the pump house and record the readings of the sump level and operation pumps and recording of pressure gauges readings located in the pump house etc. at fire water system pump house as directed. Note: 1. Contractor has to engage a minimum 2nos. of operators in each shift every day throughout the year including holidays (Timing of shifts - General shift 9:00 hours to 17:30 hours ; 1st shift 6:00 hours to 14:00 hours ; 2nd shift 14:00 hours to 22:00 hours; 3rd shift 22:00 hours to 6:00 hours). If any short fall found during the contract period, he will be penalised at the rate of 1.00 job / operator / day shall be deducted from the RA bills. 2. The contractor has to arrange minimum 4 nos. of bicycles for taking reading and visual inspection of all hydrant and other related works at his own inside the IGCAR campus.

Providing fixing and testing Stainless Steel landing valve type fire hydrant Newage or equivalent make with following size mentioned below instantaneous female outlet to receive size mentioned below male instantaneous pattern couplings, blank cap and chain, fitted with female adopter, hand wheel shall be made of mild steel or cast iron and spindle made of stainless steel rod, washers, gaskets and gland packing etc complete. water tightness shall be tested to hydrostatic pressure of 14 kgs/sqcm. (Marking flanged joint will be paid for under relevant items.)

73mm ID instantaneous female outlet to receive 63mm ID male instantaneous pattern couplings, Landing valve type double head with double outlet and inlet flange should be 220mm O/D and 180mm PCD, drilled to IS:8329/2000 and IS:9523/2000.

Water supply line Burst / Breakage: Attending the following works, earthwork excavation to ascertain the type of leak including extra length and width of excavation required as per site condition to facilitate removal of damaged / broken pipes, specials and its rectification, dewatering, removing the slush from the trenches, conveying of the earth and slush away from the trenches to prevent over burden for the trench, conveyance of pipes, specials and other accessories, de-water pumps, suction and delivery lines to the work site from the section stores and installation of de-water pumps and suction delivery lines etc., cutting the burst / broken pipes and removing the pipes from the mains and re-installing the new pipes, jointing and testing the pipeline and re-filling the excavated trenches in to the original condition etc. complete. Note: Necessary material viz : pipes, specials and jointing materials will be measured under relevant item.

150mm dia to 200mm dia pipes.

250mm dia to 300mm dia pipes.

K.GANESH (BID ID -3217613)