Repair and Maintanance of Existing Storm Water drain at Thiruneermalai Cross Street to Bajanai Kovil St in Ward no.32 in Zone-4

Dismantling the existing Reinforced cement concrete including all labour charges and equipment charges etc complete

Sand and Silt under water (SS20B) Earth Work Excavating and depositing on bank with intial lead of 10 m & initial lift of 2m in slush and silt under water upto 0.75m depth requiring the aid of baskets and vessels etc. complete (SS20B)

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)

Plain Cement Concrete 1:2:4 (one cement, two Crushed Stone Sand (M- Sand) and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Supply and fixing of RCC Precast slab 150 mm thick with Top Checked Design with Red oxide colour designing including cost and conveyance of all materials, steel reinforcement precast slab Hook arragnements etc complete

Removal of Excavated Excess Earth away from the site to 5K.M including loading and transportation charges etc, complete as per standard specification. For 1M3

Earth work in all soils Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil.SS20B and tippers including benching, formation of bunds, breaking clods, sectioning etc., complete

Supplying and filling the foundation and basement with stone dust in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

Supply and delivery of Following dia PVC pipe and specials including cost and conveyance of materials to work site etc complete

25mm dia PVC 6KSC Pipe

Supply and delivery of Following dia PVC pipe and specials including cost and conveyance of materials to work site etc complete

25 PVC Elbow

25 PVC Coupler

25 PVC Bend

25 PVC tee

25 PVC End Cap

PVC Screw Down Tap Heavy Type 20mm dia

PVC Adhesive (Solution)

Reducer 25mmx20mm

Lowering PVC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplurs with cement paste including cost and convence of labour charges ect., complete

25mm dia PVC 6KSC Pipe

Refilling with excavated earth other than sand with an initial head load of 10 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15 cm thick well rammed, watered and consolidated etc. complete complying with standard specification