Provision for Approach road with Base Strengthening and Kerb wall for the Construction of Combined Court Building at Nagapattinam in Nagapattinam District.

Amount

Earth work excavation for foundation (for narrow excavation) in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification.

Supplying and filling in basement with crushed stone sand gravel mix in the ratio of 1:1with 0.685 Cu.m of crushed stone sandand 0.667 Cu.m gravel in layers of not more than 15cm thick, well rammed, watered and consolidated etc., complete complying with standard specification.

Supplying and FILLING GRAVEL Supplying and filling in 'foundation and basement with filling crushed stone sand in layers of not more than 15cm.thick well rammed watered and compacted -1m3 etc., complete complying with standard specification.

Cement Concrete 1:5:10 (One Cement, Five sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification

Supplying and erecting steel shuttering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid over silver oak joists of size 10cm x 6.5cm spaced at about 75cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid)

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)

For plane surfaces such as vertical slab, side slabs of boxing, vertical drops, facia, vertical wall, etc.

Providing and laying in position, Standardised Concrete Mix M-30 Grade in accordance with IS:456-2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cementcontent of 400 kg/m3 and maximum water cement ratio of 0.45, including admixture (plasticiser / superplasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m') 7670 kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards. (No separate payment will be made by the Department for the excess usage of materials).

In foundation and basement

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. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Cement Concrete 1:5:10 (One cement, Five sand and Ten hard broken stone) using 40 mm gauge hard broken jelly for flooring including laying, consolidating, finishing, rendering the top surface rough to receive the floor, curing, etc. complete complying with standard specification. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers

Providing, laying 50mm consolidated thick Bituminous Macadam using 0.20cum of 26.50-13.20mm, 0.43cum of 13.20-2.36mm and 0.08cum of 2.36mm & below size IRC metal with 37 kgs of VG30 Grade bitumen for premixing per 10sqm including cost and conveyance of all materials to CMP site, heating the bitumen, aggregate and mixing them in required temperature using central hot mix plant 20-30 ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 50mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonne vibratory Roller to the required density etc., including labour for attending to paver to site etc., including hire and fuel charges for 20-30t CMP with bitumen boiler, tipper trucks, paver finisher, vibratory roller and all other tools and plant required, including all other incidental charges etc., complete as per specification using CMP as per clause 504 of MORTH Rev-5

Providing and laying Bituminous Concrete to 30/40mm using 0.13cum of 19.00-9.50mm, 0.17cum of 9.50-2.36mm and 0.26cum of 2.36mm and below with 50.30 kgs of VG30 bitumen for premixing per 10sqm including cost and conveyance of all materials to CMP site, heating the bitumen and aggregate to required temperature in central hot mix plant 20-30 ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 40mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonne vibratory to the required density etc., including labour for attending to paver to site etc., including hire and fuel charges for 20-30t CMP with bitumen boiler, tipper trucks, paver finisher, vibratory roller and all other tools and plant required, including fuel and all other incidental charges etc., complete as per specification using CMP as per clause 507 of MORTH Rev-5

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

Providing, laying, spreading and compacting graded stone aggregates for Wet Mix Macadam 250mm thick, including premixing the materials with water at OMC in mechanical mix plant, conveyance of mixed materials by tipper to site, laying in uniform layers using pavers in Sub Base / Base course on well prepared surface and compacting with vibratory roller to achieve the desired density including cost of material, labour charges, rentals for machinaery, fuel and all other incidental charges etc., complete as per clause 406 of MORTH Rev-5

Supplying and laying of Interlocking Paver Block Stone 83mm thk. Over a base layer of crushed stone sandfilling inclluding Cost of materials laying and Labour charges etc., complete complying with standard specification.

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DELTA ENGINEERING SERVICE

A.Sivakumar