Design and Construction of RCC Framed structure

NOTE: 1.Evaluation will be done by excluding Provisional sum and GST Amount 2.GST calculated @ rate of 18% 3.The bid price shall be inclusive of all taxes excluding GST. The GST paid by the bidder shall be reimbursed by CHENNAI METRO RAIL LIMITED on production of the documentry evidence

SUMMARY OF PRICE BID

Description of Work / Item(s)

Amount

Buildings

Price Centre B: Civil, Structural & Misc. works

Earthwork works

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 Sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5m, including getting out the excavated soil and disposal surplus excavated soil as directed, within a lead of Upto 10 Km. All kinds of soil.

Extra for every additional lift of 1.5 m or part therof in excavation/ banking excavated or stacked materials : All kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, compacting each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

Demolishing works

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable materials within 10 Km lead as per direction of Engineer - in - Charge.

Dismantling barbed wire or flexible wire rope in fencing including making rolls and stacking within 10 Km lead

Concrete works

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering- All work upto plinth level : 1:4:8 (1 cement : 4 coarse sand (zone III) derived from natural sources : 8 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement work, using coarse aggeagate and fine aggregate derived from natural sources, Portland pozzolana / Ordinary Portland/ Portland Slag Cement, admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, to improve durability and workability without impairing strength ; including pumping of concrete to site of laying, curing, carriage for all leads ; but excluding cost of centering, shuttering, finishing and reinforcement as per direction oif engineer-in-charge, for the following grades of concrete : Note : Minimum cement content shall be 350 Kg/cum or as per design mix whichever is minimum.

All works upto Plinth Level Concrete of M30 grade for footing

All works above plinth level upto floor V level Concrete of M30 grade for cast in situ beams and slabs.

Providing and placing in position precast reinforced cement concrete slab, square or rectangular, as per design and shape for floors and roofs in M30 grade of concrete upto floor V level, including flush or deep ruled pointing at joints in cement mortar 1:2 (1 cement : 2 Fine sand), making neccessary holes of required sizes for carrying through service lines etc. providing steel hooks etc. formwork in precasting, handling, hoisting, centering and erection with Crane upto 40 tonne capacity complete for all floors but, excluding cost of reinforcement. for precast RCC slab

Providing, transporting, hoisting and fixing above plinth level upto floor five level precast reinforced cement concrete in lintels, beams and bressumers, including setting in cement mortar 1:3 (1 cement : 3 coarse sand), cost of required centering and shuttering, erection with crane upto 40 tonne capacity but, excluding cost of reinforcement, with M30 grade of design mix concrete.for precast RCC beams

Grading roof for water proofing treatment with : Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) for Screed Concrete

Providing and laying design mix cement concrete of M-30 grade, in roads/taxi tracks/runways using cement concrete as per design mix, using coarse sand and graded stone aggregate of 40 mm nominal size in appropriate proportions as per approved & specified design criteria, providing dowel bars with sleeve/tie bars wherever required, laying at site, spreading and compacting mechanically by using needle and surface vibrators, levelling to required slope/camber, finishing with required texture, including steel form work with sturdy M.S. channel sections, curing, making provisions for contraction/expansion. construction & longitudinal joints ( 10 mm wide x 50 mm deep) by groove cutting machine, providing and filling of joint filler and sealants, complete all as per direction of Engineer-in-charge (Item of joint filler, sealants, dowel bars with sleeve/tie bars to be paid seperately). Note : Minimum Cement content shall be 340 Kg/cum or as per design mix whichever is minimum. Cement concrete prepared with batching mixing machine

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line and curvature, jointed with cement mortar 1:3 (1 cement : 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not be more than 5 mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in charge (length of finished kerb edging shall be measured to calculate volume for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge

Reinforcement Steel

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level & above plinth LevelThermo-Mechanically Treated bars of grade Fe-500D or more as per the Specifications

Centering & Shuttering

Providing Leakproof Centering and Shuttering including strutting, propping etc. upto floor V level including scaffolding and formwork and removal of form for :

Foundations, footings, bases of columns etc. for mass concrete

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Columns, Pillars, Piers, Abutments, Ports and Struts

Waterproofing

Preparation of surface, cleaning, providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-Charge complete in all respect two component Epoxy resin bonding adhesive having coverage 2.20 sqm/kg of approved make.

Provide and apply one part gun grade Polyurethane hybrid sealant in the panel joints after preparing the surface, applied using sealant gun. The cured sealant shall have a properties of MAF 50%,UV Resistance and service temperature range -40°C to 70° C,tack free time,minutes (At 30ºC (Guidelines of ASTM C679),Volatile organic content ,% -1.2(Guidelines of ASTM C792),Change in volume,%-3.1 (Guidelines of ENISO 10563),Average peel adhesion,N-220 (Guidelines of ASTM C794),Tensile properties-Elongation at break ,% - 2.49 & secant modulus ,MPA - 2.1( Guidelines of EN ISO 8340),Elastic cover,% - 80 (Guidelines of EN ISO 7389) & Secant modulus at 100% extension, Mpa - 1.0 (Guidelines of EN ISO 8339) application instruction shall be as per manufacturer's instruction. : Groove filling sealant.

Supplying and providing TPO / FPO based waterproofing membrane with specifically formulated waterproofing tape of minimum width 100mm, thickness 1mm membrane fixed at both ends of the panel joint on roof using epoxy adhesive / fastener for a width of 75mm on either side of the joint and allowing necessary movements. The waterproofing system shall be overlapped and covered with protection medium before back filling. The waterproofing tape shall have a density of 1.7, Tensile Strength- 7.0 N/sqmm, Elongation at break- 400%. : Waterproofing Tapes over Panel joints.

Spraying applied Waterproofing membrane ; the rate shall be inclusive of following all complete as per the direction of Engineer-in-charge : (a) Preparation of the concrete surface by mechanical means (mechanical grinding) to ensure a good bond between the coating and the substrate. Supplying and applying 100% Solids content, 2 component, solvent free, spray applied elastomeric seamless hybrid polyurea Membrane at a thickness of 1.5mm in two layers at a coverage rate of 1.5 litres / sqm over a epoxy primer coat. Spray applied waterproofing shall utilize high-pressure, heated plural component spray proportioning equipment and applied in a cross directional method to the total roof slab and parapet wall height. The product shall have Solids by Volume : 100% ,Volatile organic compounds : 0 g/litre. Viscosity : A ISO =400 - 800 mPas and B AMINE = 400 - 800 mpas , Tensile strength ASTM D412 : >13 MPa, Tear Resistance ASTM D624C : 50 N/mm² , Elongation ASTM D412 : >450%, Shore D ASTM D2240 : 80, Abrasion (1kg,H22 wheels) ASTM D4060: 117 mg /1000 cycles , Abrasion (1kg,CS17 wheels) DIN EN ISO 5470 : 19 mg /1000 cycles, Service temperature ASTM D4060: -20°C to +135°C. (b) 'Providing and laying coving at the junction of slab and vertical offsets with Cement Mortar 1:4 and admixed with SBR at dosage of 2 Ltrs per 50kg cement as per manufacturer's specification. Filling the annular space between concrete surface and rain water PVC pipe using non shrink grout after preparing the surface using sand paper and application of SBR as a priming coat on the concrete walls. Mixing and pouring non shrink grout with clean and cool water at specified ratio on the prepared surface to make the bore packing water tight. The rate shall include necessay materials, tools and application procedure as per manufacturer's specification. c) The cracks / construction joints / honey combs / leaking spots in the slab shall be provided with pressure grouting using cementitious system. The junctions shall be chamfered using TPE tapes all as per manufacturer's recommendation. (d) Providing and applying two coats of aliphatic polyurethane @ 100 microns dry film thickness in two coats or as recommended by the manufacturer over the Polyurea waterproofing using rubber squeegee and back rolled with lambswool roller.

Providing, erecting, maintaining and removing temporary water leakproof protecting cover of size 8.0 m x 10.0 m of HDPE tarpauline of minimum 200 GSM, with all necessary fixing arrangement such as bamboo/M.S Tube on all four sides to ensure that it remains in position for the work duration as required by Engineer in charge : for covering each Transformers during concreting or erection of precast members.

Painting

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.

On steel work

On concrete work

Fencing & Barricading

Fencing with angle iron post placed at required distance embedded in cement concrete blocks, every 15th post, last but one end post and corner post shall be strutted on both sides and one end post on one side only and provided with horizontal lines and two diagonals interwoven with horizontal wires, of barbed wire weighing 9.38 Kg per 100 m (minimum), between the two posts fitted and fixed with G.I. staples, turn buckles etc. complete. (Cost of posts, structs, earth work and concrete work to be paid for seperately). Payment to be made per metre cost of total length of barbed wire used. : With G.I. barbed wire

Supplying at site angle iron post & struts of required size including bottom to be split and bent at right angle in opposite direction for 10 cm length and drilling holes upto 10 mm dia etc. complete.

Providing and erecting 2.00 metre high temporary barricading at site; each panel of size 2.50 m x 2.00 m made of 40x40x6 mm angle iron or 50x50x3 mm hollow MS tube posts/horizontal members/bracings covered with 1.63 mm thick MS sheet. The sheet shall be fixed with 30x5 mm MS flat by suitable welding/riveting. The panels shall be made so that gap of 50 cm above ground is available making overall height as 2.5 m MS channel ISLC 75 @ 5.70 Kg/m, 50 cm long shall be provided at the bottom having oval shaped holes of size 50x25 mm at both ends with 50 cm long MS angle 40x40x6 mm bracing. Suitable arrangement shall be made to fix the barricading to avoid overturning by providing 250 mm long expansion fasteners at both ends. The work shall be executed as per the drawing/direction of Engineer-in-charge which includes writing and painting, arrangement for traffic diversion such as traffic signals during construction at site for day and night, glow lamps, reflective signs, markings, flags, caution tape as directed by Engineer-in-charge. The barricading provided shall be retained in position at site continuously including shifting of barricading from one position to other location as many times as required during the execution of of the entire work till its completion. Rate includes its maintenance for damages, painting, all incidents, labour materials, equipments and work required to execute the job. The barricading shall not be removed without prior approval of Engineer-in-charge. (Note :- One time payment shall be made for providing barricading from start of work till completion of work including shuifting. The barricading provided shall remain to be the property of contractor on completion of work)

Miscellaneous works

Post Drilling with Chemical adhesive for Anchor Rebar: Drilling hole, providing, supplying & installtion of chemical for rebar anchor at drilled hole location in column extension as per approved shop drawing or GFC drawing. Injection of Pure Epoxy Chemical anchor grout adhesive using Lokfix E77 or Hilti RE500 V4 or FIS EM Plus or approved equivalent with ETA Approval. The epoxy chemical should have working life period of 50 or 100 years as per ETA certification from DIBt. Anchoring to be designed as per guidelines, cleaning with brush and jet of clean air, filling resin and hardener using serrated nozzle to eliminate mixing error with standard. The installation and the setting instructions should be strictly followed as per the manufacturer’s recommendations. The rates to include all the preparations which needs to be done like marking, temprorary walk way, scaffolding,working testing of sample Rebar for full utilization capacity and subsequent routing test for working load capacity shall be inculded in rate all safety manners followed at site, cleaning the area after the work is done, all complete, as per instructions of EIC. The adequate diameter and embedment of rebars to be decided as per Software & the report to be submitted to the project manager/ design engineer for approval. Scanning before drilling to be done to avoid hitting existing rebars. The same shall be installed in hammer drill, diamond coring holes. 16mm rebar, 20mm hole dia and 180mm embedment depth

Providing and laying autoclaved aerated concrete (AAC) blocks masonary 100mm/125mm thick with Grade -1 AAC Blocks of density 551 to 650 Kg/cum conforming to IS : 2185 (Part 3) in superstructure above plinth level upto floor V level in cement mortar 1:4 ( 1 cement : 4 coarse sand). The rate includes providing and placing in position 2 Nos 6 mm dia M.S. bars at every third course of masonary work. for parapet wall

Description of Work / Item(s)

Amount

Price Centre C: MEP works

Shifting and restoration of Earthpits-carrying out necessary excavation, providing and fixing of earth electrode with GI pipe and funnel, provding and filling of charcoal and salt, construction of earthpit chambers (restoration), providing earth pit covers, painting of earthpit and earth covers, measurement of earthpit resistance and connecting the earth electrode with existing earthing strip all complete as per standard specifications inclusive of all cost as per direction of Engineer-In-Charge.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot and cold water supply including all CPVC plain & brass threaded fittings. This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. External Work : 80 mm nominal dia pipe

Description of Work / Item(s)

Detailed Design and drawings with Proof checking by another consultant, Getting approval of GC/Engineer, including preparation of As-built drawings and submission of Soft & hard Copies at the time of Handing over.

Civil & Structural works

CHENDHOOR CONSTRUCTIONS (BID ID -3120417)

Sri ganeshkumar constructions (BID ID -3119266)

BLESSO CONSTRUCTIONS (BID ID -3117262)

SAKTHI ENGINEERING WORKS (BID ID -3120430)

CHENDHOOR CONSTRUCTIONS (BID ID -3120417)

Sri ganeshkumar constructions (BID ID -3119266)

BLESSO CONSTRUCTIONS (BID ID -3117262)

SAKTHI ENGINEERING WORKS (BID ID -3120430)

SAKTHI ENGINEERING WORKS (BID ID -3120430)

CHENDHOOR CONSTRUCTIONS (BID ID -3120417)

Creators Engineers and Interiors Pvt Ltd (BID ID -3120320)

Sri ganeshkumar constructions (BID ID -3119266)

CHENDHOOR CONSTRUCTIONS (BID ID -3120417)

Sri ganeshkumar constructions (BID ID -3119266)

Creators Engineers and Interiors Pvt Ltd (BID ID -3120320)

BLESSO CONSTRUCTIONS (BID ID -3117262)