Periodical Maintenance of storm water drainage, trenches, culverts, internal roads and other miscellaneous works at FRFCF project site, Kalpakkam for the year 2025-2026

Amount

Area cleaning in and around the site by cleaning the bushes, debris, fallen trees, waste materials, garbages etc., collecting, conveying and disposing the same at places as shown by the department with a lead of 1Km all complete as per specification and as directed by the Engineer-in-charge. Note: Cleaning of peripheral security fence including removal of wild growth, bushes, weeds, creepers etc. will also be paid under this item.

Cutting and Felling all types of trees including cutting of trunks, branches and removing the roots and stacking of serviceable wood materials at places specified with a lead of 200m, disposal of unserviceable materials including filling the pits and depressions with excavated earth complete for trees of girth mentioned below complete all as directed by the Engineer-in-charge.

Girth beyond 30cm, up to and including 60cm, measured at 0.5m above ground level

Cleaning of existing road surfaces & foot paths by mannual or mechanical brooms including collecting, conveying of deposited sand and removing the unwanted vegetation growth and disposing them with a lead of 500 meter etc. all including safety arrangements, barricadings, labour, tools & tackels, machinery all complete as per the direction of Engineer-In-Charge.

Cleaning the under ground sewer line/drain line including Inspection chamber, man-hole, cleaning all the sludge and washing with water including all tools & Sewer cleaning flexible rod etc., complete as per specifications and as directed by Engineer-in- charge.

Cleaning the surrounding area of various building at all levels by removing the vegetation growth, including clearing choked rainwater downtake pipes, periodically as and when required including necessary ladders and scaffolding arrangements, Conveying the removed unwanted materials to the bins with a lead up to 1.0 Km etc, complete as directed by the Engineer-in-Charge

Roof top area including Gutters

Sunshade and Portico area

Plinth protection, and drain around the buildings upon removal of preacst covers and placing the same.

Road side storm water drainage upon removal of preacst covers and placing the same.

Cleaning of under ground road culverts of clear opening Size 14 X 1.5 X 2.0M by manual means from existing road level including removing all types of soil, silt and slush for upto a invert level of culvert including stacking the excavated materials away from the edge of culvert/ chamber/road edge/ trenches and depositing / disposing the surplus excavated earth with a lead of 30 m (Disposed soil to be leveled by breaking clods, if any and neatly dressed and leveled) as directed by Engineer incharge as per specifications. Note: i) The rate shall include dewatering of culverts whenever necessay. ii) The culvert area has to be kept clean for 6 months.iii) Silt deposition may vary depending upon the area to a minimum of 500 mm

All kinds of soil with depth up to 1.5m below average Ground level and disposing surplus excavated earth up to a lead of 1km.

Manufacturing, supplying, hoisting and fixing in position at all lifts, precast units of various pattems and sizes for precast plain solid units, exhaust fan moulds, slabs, etc, in controlled reinforced cement concrete of M30 grade using 20mm and below machine crushed graded stone aggregate 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. Note: 1. The rate shall be quoted on the basis of using 380 Kg. of cement per cu.m. of concrete. Any upward/downward variation required to obtain the specified strength will be paid for or deducted at the rate specified in schedule F. 2. 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 3. Test certificate of cement, procured from dealer/company to be submitted for all cement related works by the Contractor.

Providing straightening, decoiling wherever necessary bending, cutting, binding and fixing in position steel reinforcement TMT bars of Fe500D grade steel conforming to IS:1786 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 and binding wire complete all as per specification and as directed by Engineer-in-Charge at all lifts. Note: The rate shall be including the cost and testing of reinforcement steel at thrid party NABL lab. The reinforcement steel will be procured from dealers with a test certificate as approved by the department. For further details please see Clause 12 of Section VIII, General Information for Guidance of Tenderers

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, 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 / sythetic 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 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, runers, conection with building etc. wherever required for inspection of work at required locations with essential safely 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 plastering in cement mortar 1:4, 20mm, thick at all elevations with 2% of water proofing compound or as per manufactures specification, 'lmpermo' or approved equivalent make including hacking of concrete surfaces with pointed tool, scaffolding, finishing, curing, all as per specifications.

Providing and applying painting Two coats at all levels with Interior / Exterior grade Acrylic emulsion paint (approved brand, colour and manufacturer) confirming to IS 5411 Part I & II at all elevation to give an even shade including one under coat of suitable primer, applying putty, preparation of the surfaces, grinding, removing laitance, cement slurry, formoil, foreign matter etc., scaffolding, tools, tackles, equipment, materials, labour, etc.., all complete as per manufacturer specifications and as directed by the Engineer-in-charge. Note: Rate includes filling all voids/pinholes in concrete by cement mortar touch up work / minor plastering.

Construction of Inspection chamber of following size internally up to 1.00 metre depth with brick masonry walls of 230/345mm thick using stock bricks in cement mortar 1:5 with necessary brick carbelling as required, plastering with cement mortar 1:3, 12mm thick for external sides of the chamber including excavation in all types of soils, back filling, providing and laying 150mm thick PCC 1:4.5:8 for foundation concrete forming bencing in PCC 1:2:4 using 20mm maximum size graded aggregate etc. complete all as per specification, drawing and as directed by the Engineer-in-charge.

Inspection chamber of internal size 600x600mm

Inspection chamber of internal size 1200x900mm

Extra depth over initial depth of 1 metre or part of a metre depth with necessary modification to the thickness of chamber wall to suit site requirement as per drawing and as directed by the Engineer-in-charge of Inspection chamber of size 1200x900mm

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

Dismantling brick works at all levels by manually / by mechanical including Cutting and stacking of steel reinforcement bars and disposal of unserviceable materials within 50m lead, labour, tools required etc. complete in all respects as per specifications and directed by the Engineer-in-charge.

Dewatering from trenches, sump, foundation structure using electrical submersible or suitable pump of required capasity with necessary arrangements to the nearest storm water drain or at places shown as directed by EIC including HDPE pipe, maintenance of the system, cost of spares, idling, labour for operation etc. Mode of measeurement will be power consumption in KWh. Note: This item will be operated during abnormal bad weather, surface run off from outside scope of work only aslo it shall be estimated for already existing culverts/Strom water drain.

Providing and laying factory made precast kerb stone of M-20 grade cement concrete of size 100mm thick & 500mm plus or minus 50mm depth with suitable interlocking arrangement, top chamfering of size 50x70mm or as approved size including excavation, conveying the precast kerb blocks in position to the required line, level and curvature, making joints with or without grooves (thickness of joints except at sharp curves shall not be more than 5mm), jointing / pointing the joints with cement mortar 1:3, refilling the sides, compacting, making drainage opening wherever required etc., all complete as per specification and as directed. Note: Length of finished kerb edging shall be measured for payment and precast kerb stone shall be approved by Engineer-in-charge.

Providing and laying 65mm thick rubber moulded with vibratory compaction Factory made cement concrete precast Interlocking paver block confirming to IS : 15658 of M30 grade made and approved size, shape, design, colour & pattern including laid over 100mm thick compacted bed of coarse sand, filling the joints with coarse sand, compaction mechanically etc. all complete all as per the direction of the Engineer-in-Charge. Note: The sample tile shall be got approved by the Engineer-in-charge before procurement.

Supplying and fixing of Dorma XL-C corner lock patch with EPC and strike plate including all necessary fixtures and labour charges etc., complete in all respects as per specifications and directed by the Engineer-in-charge.

Removing of existing old damaged PVC Gate Valve and replacing with new valve for the following sizes of approved make complete all as per specification and as directed by the Engineer-in-charge

25mm dia

32mm dia

40mm dia

Providing and fixing roofing sheet, cladding with 0.47mm thick colour coated concelled system profile corrugated/semi corrugated/plain zincalume sheets of 55mpa yield stress (AS 1397 - Zincalume AZ 150) with coating class AS/NZS 2728 (minimum 150 grams per relevant standard) having a total coating thickness of 35 micron. The sheet should be rolled over specially designed concealed fixing clip manufactred from hi-tensile Aluminium Zinc alloy Zincalumen steel based and galvanized hooks. The clip should be fastened with minimum 40micron Zinc coated / minium 25micron Zinc-Tin alloy coated. The rate is inclusive of all fixtures required for fixing the side roof, cladding on all sides, ridges etc. complete all as per specification and as directed by the Engineer-in-Charge. Note: Arresting leakage in metal roofing, with 0.47 mm thick colour coated concealed system profile corrugated / semi-corrugated / plain zincalume sheets using sealant / patching materials such as roofing tape or a specialized roofing cement will also be paid under this item.

Providing and fixing Venition vertical blinds of Luxaflex or approved equivalent make and approved colour pattern with vanes of 100mm width made up of non woven polyester fabric which are suspended from the silt travelers by self aligning vanes hooly of effective optimized system, vanes shall be coupled together by means of bead chain pivotally attach by accessories required complete all as per directed by the Engineer-in-charge. Note: 1. Sample shall be got approved before commencing work. 2. The above work shall be got executed from approved manufacturers.

Providing and fixing reflective / non reflective type sun control polyester film 'Garware' or approved equivalent of required shade & colour, pasted to doors / windows glazing as per requirement including cleaning the surface before and after pasting complete all as directef by the Engineer-in-charge

Supplying, providing and laying 200mm thick Cement Concrete block masonry using solid concrete blocks of size 400 x 200 x 100mm manufactured as per IS : 2185 (Part-1) density not less than 1800 kg/cu.m of grade C 4.0 using 20mm down graded aggregates in basement & superstructure at all elevations in cement mortar 1:5 including mixing mortar, hacking closely concrete surface, laying blocks, raking joints, curing etc., with all materials, scaffolding, labour, tools etc., all complete as per drawings, specifications and as directed by the Engineer-in-charge. Reinforcement if provided will be measured and paid under relevant item

Removal and disposal of scrab material within a lead of 1Km per Cubic meter including man power and truck etc

Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 of MoRT&H specifications for road and bridge works (4th Revision) and as directed by the Engineer-in-charge

for Grading-I material

Providing and laying cement concrete M20 grade using 300 kg/cum of PPC using 20mm and downgraded size hard granite broken stone in foundations, trenches etc., including necessary form work, ramming, compaction, levelling, mechanical mixing, curing, dewatering, if any and including dismantling the existing concrete, disposing the dismantled debris within 2 Kms lead etc., all complete as per specifications and as directed by the Engineer-in-charge

Replacing the following sizes of existing damaged PVC pipes with new PVC pipe of 6 Kg. per sq.cm pressure pipe confirming to IS 4985 of make "Finolex" or equivalent approved make bearing ISI marking including all types of specials, cutting and removing the damaged portion of the existing PVC line, replacing new PVC pipe for flush tank & kitchen waste line with suitable jointing compounds, necessary opening/ chasing of the wall, flooring, etc., without interupting the regular water supply, cost of necessary GI clamps, screws, teakwood plugs, packing pieces, restoring the same after completing the job to its original condition etc., all complete as per specification and as directed by the Engineer-in-charge.

32mm OD PVC

40mm OD PVC

50mm OD PVC

63mm OD PVC

90mm OD PVC

110mm OD PVC

Replacing the existing exposed worn-out GI pipe with new GI pipe of "B" class of make "Tata" or other approved equivalent conforming to relevant IS standards bearing with ISI mark and heavy quality GI specials such as Coupling, Nipple, Tee, bend, elbow, reducer, union, etc., including cost of fixing, with necessary GI clamps, screws, teakwood plugs, packing pieces, cement required for the work, painting the pipe with two coats of synthetic enamel paint over a coat of red oxide primer and making opening/ chasing in masonry wall, concrete flooring etc., and restoring the same after completing the job to its original condition, returning the retrieved worn-out pipes to Civil Maintenance stores, etc., at all lifts all complete as per specification and as directed by Engineer-In-Charge.

20mm O/D GI Pipe

25mm O/D GI Pipe

32mm O/D GI Pipe

40mm O/D GI Pipe

50mm O/D GI Pipe

Attending water supply PVC Pipe line Burst / Breakage for the following various dia. including earth work excavation to ascertain the types 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 (within a lead of 100m) from the trenches to prevent over burden for the trench, conveyance of pipes, specials and other accessories, cutting the burst / broken pipes and removing the pipes from the mains and re-installation the new pipes of 6 Kg. per sq.cm pressure pipe confirming to IS 4985 of make

32mm OD PVC

40mm OD PVC

50mm OD PVC

63mm OD PVC

90mm OD PVC

110mm OD PVC

160mm OD PVC

Providing, laying to the slope specified an jointing the following glazed stoneware pipes grade SP1. conforming to IS: 651, jointing with stiff mixture of cement mortar 1:1 (1 cement :1 fine sand) including testing of joints etc. complete excluding excavation and refilling which will be paid under relevant item all as per specifications and directed by the Engineer-in-charge

100mm diametre

150mm diametre

Providing and fixing the following sizes of Brass An Impact Sprinkler (impulse sprinkler) Rotary Nozzles/ Rotators all as per specification and as directed by the Engineer-in-Charge.

Upto radius 9m to 12m

Leveling the area to the required gradient in all types of soil including cutting the mounds wherever required, for filling the low lying area in layers not more than 300mm thickness, well rammed and consolidated by hand/mechanical roller including ramming, consolidation, levelling to proper gradient, dressing the top surface to the required level, conveying the surplus excavated soil by head load upto a lead of 200m, all complete as directed by Engineer-in-charge.

Grouting at and around penetrations, construction joints and at all locations as specified in the drawing including necessary scaffolding, drilling holes of specified diameter, supply of grout material, PVC pipe nozzle, fixing, providing all necessary equipment like mixer and pump, manpower etc., all complete required to grout at specified pressure, cutting the pipes after setting of grout, sealing, finishing the surface to achieve required leak-tightness to the satisfaction of the EIC. Only quantity of grout injected shall be measured and paid for. This item is not intended for repair works falling under the scope of contractor for concreting works.

Using Cement based grouting suitable for pumping with addition of approved anti shrinkage compound @ 2% weight of cement with water reducing admixture as required and as directed by the EIC.

Using approved Polyurethane injection hydrophilic grouting comprising of two component high grade low viscosity material as per manufactures specification and as directed by the EIC

Providing and fixing chicken-mesh reinforcement of 1.5mm dia steel wire with hexagonal or rectangular openings of 10 to 13mm, fixing using nails, including cutting of required sizes complete all as per specification and as directed by the Engineer-in-charge.

Repairs to internal/ external plastering over brick work/ concrete at all locations and all lifts using Polymer modified cement repair mortar including preparing the surface by hacking the surface for better adhesion, providing glass fibre mesh or chicken reinforcement, 12mm average thickness - Plain plaster

R CHANDRASHEKARAN (BID ID -3224545)

VAI KUMAR CONTRACTOR (BID ID -3224232)

RR ENTERPRISES (BID ID -3223952)