Indira Gandhi Centre For Atomic Research Tender

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.

Providing and laying plain cement concrete 1:2:4 using 20mm 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.

Supplying and filling in basement with Quarry dust, filling in layers of not more than 150mm thick, each layer well rammed and consolidated by hand/mechanical roller including watering, levelling, dressing the top surface to the required level complete all as per specification and as directed by the Engineer.

Conveying the surplus excavated earth, broken materials, 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, @ 30% in respect of debris 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 4 kilometre but not exceeding 5 kilometre

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 confirming 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 for all floors

Providing and fixing double Tubular scaffolding system using H-Frames / APS system or (cup lock type) on the exterior side upto seven story height made with 40mm dia M.S. tube 1.5m centre to centre horizontal and vertical tubes joining with cup and lock system with M.S. tubes, M.S. tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and as approved by the Engineer -in-charge. The elevation area of the scaffolding shall be measured for payment purposes. The payment shall be made once irrespective of duration of scaffolding.

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

Manufacturing, supplying, hoisting and fixing in position at all lifts, precast units of various patterns and sizes for precast fence post, in reinforced cement concrete of 1:2:4, using 20mm and below machine crushed graded stone aggregate and crushed stone sand including weigh batching, mechanical mixing, casting, vibrating, finishing of exposed faces, curing, necessary formwork & moulds, transporting and placing at all lifts, preparation of connections, grouting with cement mortar/cement grout wherever needed excluding steel reinforcement complete all as per drawing, specification and as directed by Engineer-in-Charge.

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 applying painting Two coats at all levels Acrylic emulsion paint (Asian or ACE or Equivalent approved brand, colour and manufacturer) to give an even shade including preparation of the surfaces, applying putty, scaffolding complete all as per specifications and as directed by the Engineer-in-Charge.

Providing jointing/pointing the existing joints of precast RCC Slab of various sizes laid between the double fencing area at FBTR Complex and pointing with cement mortar 1:3 between the joints of precast slabs where the jointing area prepared as per previous items and the jointing / pointing in to a depth of 50mm and to the full width available into the existing slab including curing, cleaning all as per specification and as directed by the Engineer-in-Charge.

Providing jointing / pointing the existing joints of precast RCC slab - Precast slab size upto 600x600mm.

Providing jointing / pointing the existing joints of precast RCC slab - Precast slab size above 750x1000 to 1000x2000mm.

Demolishing existing RR wall & Reconstructing the same quantity in cement mortar 1:6 including providing required bond stones at 2.00metres c/c at all course, including providing required RR stones apart from stones obtained from existing dismantled wall at all levels 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. Note: 1) Dismantled RR stones should be neatly cleaned before using the same in at reconstruction purpose & usable stones shall be stacked properly before using it in work. 2) Required bond stones at 2 m c/c at all course shall be of precast PCC grade M15. 3) Required quantity of RR stones apart from the usable quantity of RR stones obtained from dismantled existing wall is included in the scope of this item. 4) All other materials for Cement Mortar, scaffolding arrangement is included in the scope of this item. 5) Necessary raking out joints (groove) at masonry joints to receive pointing to be done immediately each course of RR masonry completed. 6) About 20% quoted rate shall be released for dismantling & stacking work, balance 80% quoted rate shall be released once construction of RR wall completed.

Removal of existing SS concertina, GI supporting arms for holding concertina and barbed wire carefully without disturbing the existing structure and placed carefully at places shown. Necessary modifications to be made in GI stands to suit at site and refixing the GI sections, concertina and barbed wire. The work includes necessary modifications, additional sections required if any, painting of GI stands, all machinery, man power, scaffoldings complete all and as directed by the Engineer-in-Charge.

Providing and fixing SS 304 GRADE concertina coil fencing of diameter 610mm using SRPBT Helix coil along with five nos. of SS-304 Harpoon Ripper wire, SS barbed wire, the barb type, pitch detail etc., as per IS 278 wire as per Material specifications as mentioned below including all erection fittings and fixtures on chainlink fencing top with a height of 3m to 5m from road level with necessary "J" & "C" Clipping at alternate intersection points between two wires, including suitable Hessian packing to prevent injury during transportation and handling, necessary scaffolding for working up to 5m height on both sides of RR wall and excluding MS GI angles complete all as directed by the Engineer-in-Charge. A) HARPOON PIPPER : 1) Punched tape barb Profile - Horpon Ripper. 2) Punched tape barb dimensions - (flattened strip width) length - 60mm(+/- 3mm), width 31.30(+/- 3.mm), Spacing - 100mm 3) Punched tape material - SS-304 Grade. 4) Pounched tape thickness -0.5mm (+/- 0.05mm) B) CORE WIRE 1) core wire diameter = 2.60mm (+/- 0.10mm). 2) core wire material = SS-304 Grade. Note: 1. Payment will be made based on the weight of the material actually erected in position and wastage will not be considered. 2. Manufacturer test certificate for SS material to be supplied for each lot brought to site.

Providing and fixing GI supporting Arm to fix SS concertina barbed wire, necessary supporting structure to fix the concertina over the existing RCC posts and parapet walls made up of hot dip galvanized steel angle of size 50x50x6mm(GI coating 350 gm/sq.m. as per IS 277) or any other suitable section including anchorage to the RCC posts in which provision has made for fixing the angle including all scaffolding charges, erection, fittings and fixtures complete and as directed by the Engineer in charge. (Concrete quantity used for grouting will be paid separately under relevant item.)

Providing and fixing stainless steel barbed wire of SS 304 grade comprising of four spikes by turning 2 wires of 2.5mm dia A-1 conforming to IS:278, including tying to support GI arms and concertina, with 1mm dia SS binding wire working at all heights including cost of necessary scaffolding and safety requirement etc. all complete as per specifications and as directed by the Engineer-in-charge. Note: The GI supporting arm will be measured under relevant item.

Hire charges towards 12.5 tonne crane for lifting the un-used concrete blocks, light-poles, electrical-drums & structural materials lying in and around the area of the building and loading them into the trucks including providing D-cycle, slings and other accessories for lifting & overhead charges for operators, fitters & helpers complete as directed by the Engineer-in-Charge..

Fixing, & Removing the temporary Chain link fencing of height 2.5 to 3.0 m using M.S angle, Chain link fence supplied by contractor own cost with all the necessary earthwork, shifting of existing chain link fencing, labours etc. complete and as directed by the Engineer-in-Charge. Note: 1) Required quantity of M.S angle, Chain link fencing about 200m length of work shall be supplied by contractor own arrangements. 2) Transporting the angle, chain link fence is in the scope of this item. in this contractor scope 3) Stability of fencing and maintenance of the same is in scope of contractor. 4) After the execution work all the materials taken out from site.

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.

Manufacturing, supplying, hoisting and fixing in position precast units of various sizes and thickness not more than 75mm, in reinforced cement concrete of 1:2:4, using 20mm and below machine crushed stone aggregate including weigh batching, mechanical mixing, vibrating, consolidating, finishing of exposed faces, preparation of connections, necessary formwork, moulds as per drawing and specification for precast plain solid units and perforated units including placing in position etc., all complete as per specification and as directed by Engineer-in-Charge. Note : Required quantity of steel will be measured under relevant Item.

Chipping and removing the loose concrete upto 40mm depth and disposal of unserviceable materials within 50m lead all as per specifications and directed by Engineer-in-Charge.

Providing rust remover coating to steel works, exposed steel rods, etc with one or more coats of Rust converter cum primer water based CERA Rust converter of CERA CHEM or approved equivalent products etc. complete all as per specifications at all heights

Applying two coats of Anticorrosive coating system over the surface of old and new reinforcement to be applied with a gap of 24 hours by applying epoxy phenolic based CERA Zinc ZR of CERA CHEM or approved equivalent products etc. complete all as per specification.

Labour charges for carrying out miscellaneous repairing works in including arranging various machines like gas cutting, grinding etc. as directed by the Engineer-in-Charge. Note:-1. The contractor should engage one skilled person with required materials (Welding machine, welding rods, cutting & grinding machine). 2. Required scaffolding will be measured under relevant Item

Providing F3 finish over concrete surfaces in cement mortar 1:1.5 using crushed stone sand (1 part cement : 1.5 part fine sand) including wetting the surface, labours, curing, all materials, scaffolding, at all elevations complete all as per specification and as directed by the Engineer-in-Charge.

Providing painting two coat of synthetic enamel paint over a coat primer of approved colour and make over chain link fence on both side in double fence area & M.S Gate / Steel surfaces including preparation of surfaces, before painting well cleaning of all existing rusted materials with using of suitable tools & scaffolding if required to clean any oily substance as per specification and as directed by the Engineer-in-Charge.

Providing and laying Coping over the newly built RR wall of 25mm thick in cement Concrete 1 : 2 :4 over the RR masonry including curing etc. complete all as per specification and as directed by Engineer-in-Charge.

Providing and fixing PVC coated G.I. Chain link fencing conforming to IS:2721 of required width in mesh size 50mm x 50mm, made of G.I wire minimum 3.15 mm diameter (with minimum GI coating thickness of 95GSM) and over with minimum PVC coating thickness of 1mm (i.e., overall minimum dia 3.15+1.0 = 4.15mm) including strengthening the fencing at top and bottom with PVC coated G.I.line wire (3 mm dia G.I wire with 1mm pvc coating (i.e., overall minimum dia 3.00+1.0 = 4.00mm) diameter, total 3-nos row (at top, bottom, middle - 3 nos) for fencing, cutting of chain link & wires to required length, spreading, fixing & double tie binding chain link to fencing post with 18 gauge SS wire, GI bolt, GI nut & 4mm thick GI square washers (as specified or 75x75x4mm) including cost of GI bolts, GI nuts & GI washers as specified, working at all heights including cost of necessary scaffolding and safety requirement etc., complete in all respects all as per specifications & directed by the Engineer-in-Charge.

Cutting and trimming down the branches, secondary stems, trunk, roots etc., of the " Banyan Tree / rain tree/ jungle assorted tree”, including required labour, tools, hand saw, arc and mechanical transport of all the cut branches to dumping yard with in a lead of 5.0Km including the lorry/tipper and the, labours for loading and unloading the branches of tree, leaves etc., as all directed by the Engineer-in-Charge.

Cutting and trimming down the branches - girth 80mm to 160mm and length of tree branch 3m

Cutting and trimming down the branches - girth 110mm to 300mm and length of tree branch 2.5m

Cutting and trimming down the branches - girth 310 mm to 900mm and length of tree branch 2m

Leveling, bull-dozing the heeped/dumped loosened earth/debris etc., to form road surface by hiring JCB/Bull-dozer etc., behind the boundary wall of FBTR Complex including labour if any required for dressing sides and formation etc. to the width and length etc., So that heavy vehicle can be passed through all as directed by the Engineer-in-Charge.

Providing, fixing & strengthening the existing fencing at top and bottom with PVC coated G.I.line wire (4mm dia minimum 95gsm G.I wire with 1mm pvc coating (i.e., overall minimum dia 4.00+1.0 = 5.00mm) diameter) including double tie binding with fencing with 18 gauge using SS wire, specified, working at all heights including cost of necessary scaffolding and safety requirement etc., complete in all respects all as per specifications & directed by the Engineer-in-Charge.

Providing anti corrosive treatment to steel double fencing by removing the rust from corroded double fencing and applying anti-corrosive chemicals of coal tar expoxy as per specification including cleaning of reinforcement from rust to give it a total rust free steel surface by using alkaline chemical rust remover with paint brush, thoroughly washing with water and allowing it to dry, applying anticorrosive Epoxy coal tar, on both side double fence area coating, Asian, S.T.P, or any approval brand etc., all complete as per specification and as directed by the Engineer-in-Charge.

Overall rebate (Optional)

INR Zero Only