Construction Under Ground Sump at Eswaran Nagar in 26 Veppampattu Panchayat

1.Construction Under Ground Sump at Eswaran Nagar in 26 Veppampattu Panchayat

Earthwork excavation for foundation (for narrow excavation) to full depth as per designed in all soils and sub soils except soft disintegrated rock not requiring blasting and hard rock requiring blasting and bailing water wherever necessary.Refilling the sides of foundation with excavated earth other than sand in layers of well rammed and compacted and depositing the surplus earth in places shown by the departmental officers with an initial lead of 10m and initial lift of 2m and clearing and leveling the site etc.complete complying with standard specification.

Supplying and filling in foundations and basement with filling M- sand in layers not exceeding 15 cm.thick,well watered,rammed and consolidated etc. complete complying with standard specifications.

Plain Cement Concrete 1:4:8 ( one part of cement, five parts of sand and ten parts of hard broken stone ) using 40 mm gauge hand broken hard broken granite stone jelly complying with standard specifications in foundations and basement.

Providing and laying in position, Standardised Concrete mix M-25 Grade in accordance with IS 456-2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton. (Payment for centering shall be given after the concrete is laid)

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification.

Plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three P.Sand) 10mm thick including hacking the surfaces, providing cement mortar nosing, beading for sunshades, staircases, steps, landing slabs and curing, etc., in all floors complying with standard specification and as directed by the departmental officers

Retaining wall/ UG tank wall (outside) Waterproofing with SBS Membrane - Providing and laying water proofing treatment to the Retaining wall, water retaining structures outside with fully bonded 1.6mm Thick SBS modified self-adhesive, cross laminated HDPE lining waterproofing membrane, conforming to IS 16471:2017 Type A, requirements of UG waterproofing structures, The SBS membrane shall have Mass per Unit Area > 1.8 Kg/m2 as per ASTM D 5147, Puncture resistance > 200 N as per ASTM E 154, Elongation > 180% as per ASTM D 412-06, Tensile Strength > 4 Mpa as per ASTM D 412- 06, Tear resistance > 20 N/mm as per ASTM D 4073, Hydrostatic pressure > 50M as per DIN 1048. The lap with HDPE membrane shall be 100mm treated with TS tape. followed by the installation of 8-10mm THK polyethylene dimpled drain board having compressive strength > 400kN/m2 (as per ISO 25619-2). The finished cost includes surface preparation, making coving and a coat of solvent based bituminous primer @ 0.25l/m2 on entire surface before laying membrane completely as per specification.

Manhole Cover 60 x 60cm (Heavy Duty) with Frame SOR 2025 - 26 M-0640

Supply and delivery of Open well Submersible pump set conforming to IS 14220 /2002 and as amended thereafter and BEE 3 Star Rated capable of discharging the following duties due to all causes. SOR 2024 - 25 Vol II - WD-M1747

Fensing

Earth work excavation in hard stiff clay soil with initial lead and lift as per SS 20B for corewall etc., complete.

Cement concrete 1:4:8 mix using 40mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing,laying and curing etc complete for 10 cum.

Cement concrete 1:3:6 mix using 20mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing etc complete for bed blocks for 10 cum

Supply and Delivery of chain link fencing using 10Gauage two Play and four Proposed gaivanish iron wire of all size including cost and conveyance all labour charges etc complete. SOR 2025 - 26 M-0408

Supply and erection of Stone pillar or post of size 0.125*0.125*2.10m including cost and conveyance of all charges etc complete - LOCAL MARKET RATE

Fensing

Earth work Excavation in all classes of soils except hard rock in Hard Ordinary soil with initial lead and lift including all other charges and labour charges etc,.

C.C 1:4:8 Mix Using 40mm ISS HBG Metal including cost and conveyance and all materials and all labour charges etc,.Completed.

Supply and errecting for centering including cost and conveyance and labour charges with materials charges with MS sheet completed

Below Base

Above Base

RCC 1:1.5:3 Mix using 20mm HBG metal including cost and conveyance and all labour charges and materials charges completed..

Below Base

Above Base

Supply and Fabrication of steel including cost and conveyance of all materials to site and all labour charges for placing in position etc,..completed..

Brick work in CM 1:5 mix using country Bricks including cost and conveyance of all materials to site mixing, placing,curing and all labour charges etc,..

Plastering in CM 1:5 Mix using 12mm thick including cost and conveyance and all lab our charges and materials charges completed..

Painting two coats with Exterior/interior first quality Emulsion of approved colour over one coat of primer including cost and conveyance and all lab our charges and materials charges completed..

GST Amount for providing Service to Government Contract Works for the above Construction & Maintenance Works. { GST Amount is the Total GST Amount for overall quoted amount (Both Construction and Maintenance) above this row in column "BB" for all works in this package} (Refer Clause 13.2 & 13.3 of Section 2 of Instruction to Bidders (ITB) of SBD)

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