15th-2025-26-2nd-OHT

Amount

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete Narrow Foundations - First Depth - 2.00m

Narrow Foundations - Second Depth - 2.00m to 3.00m depth

Open Earth Work Excavation

Supplying and filling in 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.

Plain Cement Concrete 1:5:10 (one part of cement, five part of Crushed Stone Sand (M- Sand) and ten part of coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs 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 with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specification. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor/Roof Beam, Lintels, Cantilever Beams, Bed Blocks etc.. with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over Steel adjustable Span of Size 2m x 2m(expandable upto 3.60m) and Silver Oak Joists of Size 10 x 5 cm spaced at 50cm to 60cm c/c and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) Spaced at not more than 50 to 60cm c/c , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid). Plain Surfaces 3.00m to 4.30m

Plain Surfaces at 7.30m to 8.30m

Plain Surfaces at 11.30m to 12.30m

Supplying and erecting centering for plane surfaces such as RCC Floor Slab, Roof Slab, Loft, Landing Slabs, etc with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m (expandable upto 3.60m) and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid). Plain Surfaces at 15.30m to 16.30m

Plain surfaces - 19.30 to 20.30m

Supplying and erecting steel centering including necessary supports For plane surfaces such as rectangular or square RCC columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick).etc.. complete in all floors complying with standard specification. Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid). Square Column upto 3.30m

Square Column 3.30m to 4.30m

Square Column 4.30m to 5.30m

Square Column 5.30m to 6.30m

Square Column 6.30m to 7.30m

Square Column 7.30m to 8.30m

Square Column 8.30m to 9.30m

Square Column 9.30m to 10.30m

Square Column 10.30m to 11.30m

Square Column 11.30m to 12.30m

Square Column 12.30m to 13.30m

Square Column 13.30m to 14.30m

Square Column 14.30m to 15.30m

Supplying and erecting centering for Curved surfaces such as RCC Floor / Roof Beam, Lintels, Cantilever Beams, Bed Blocks etc.. with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over Steel adjustable Span of Size 2m x 2m(expandable upto 3.60m) and Silver Oak Joists of Size 10 x 5 cm spaced at 50cm to 60cm c/c and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) Spaced at not more than 50 to 60cm c/c , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid). Curved Surface 16.30m to 17.30m

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 2.10 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 above 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 specification and as directed by the departmental Officers (Payment for centering shall be given after the concrete is laid)

Supplying and erecting steel centering including necessary supports For plane surfaces such as Circular RCC columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick).etc.. complete in all floors complying with standard specification. Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid). Circular Column upto 3.30m

Circular Column 3.30m to 4.30m

Circular Column 4.30m to 5.30m

Circular Column 5.30m to 6.30m

Circular Column 6.30m to 7.30m

Circular Column 7.30m to 8.30m

Circular Column 8.30m to 9.30m

Circular Column 9.30m to 10.30m

Circular Column 10.30m to 11.30m

Circular Column 11.30m to 12.30m

Circular Column 12.30m to 13.30m

Circular Column 13.30m to 14.30m

Circular Column 14.30m to 15.30m

Providing and laying in position, Standardised Concrete Mix M-30 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS:456-2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 400 kg/m3 and maximum water cement ratio of 0.45, including admixture (plasticiser / super plasticiser) 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). For 1.5m Below G.L

For 4.5m Above G.L

For 4.51m to 7.32m Above G.L

For 7.32m to 10.98m Above G.L

For 10.98m to 14.64m from G.L

For 14.64m to 18.30m from G.L

For 18.30m to 21.96m from G.L

Supply and fabrication of steel required for all RCC items of works involved in the schedule, cost of steel at site fabrication, labour charges for cleaning the rods straightening, cutting, bending, tying grills, including overlapping to the required length whenever necessary and placing the reinforcement in position as as per design given and specified in the drawings, including cost of binding wire, provision of spacer bars, cover blocks and all other incidental charges etc complete as per standard specification Ground Floor

First and Second Floor

Third and Fourth Floor

Painting two coats for Interior surface with approved Interior Plastic Emulsion paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification.

Supplying and fixing in position C.I.Manhole covers (light or heavy duty) of 600mm X 600mm sizes of best approved quality and as per standard specifications etc.,complete.

Providing and fixing of RCC inner access ladder in RCC M20 Grade Concrete Mix as per the standard specifications for OHT including grill in position, centering, shuttering charges, mixing concrete curing etc, to required height and clear width of 45cm consisting of two nos of vertical post of 10cm X 15cm and step salb of 25mm X 25mm etc,complete and as directed by Municipal Officers.

Construction of RCC spiral staircase in RCC M20 Grade Concrete Mix as per the standard specifications of 1.80 m diameter of 20m height for approach to the roof of Service Reservoir with RCC Handrails including earthwork excavation, providing CC 1:4:8 mix, RCC footing 1:1.5:3 mix, GL platform etc., and also including cost of steel reinforcement, fabrication charges, scaffolding, centering, precasting charges, cement, painting etc. complete as per standard specifications and as directed by Engineer. The staircase shall be braced to the column of service reservoir at suitable interval. (in the BOQ, quantity column the exact height to be mentioned from GL to roof slab bottom to get total value of work to be done.

Supplying and fixing of RCC M20 Grade Concrete Mix as per the standard specifications for RCC Handrails of 0.91 m height over the top of roof slab of approved pattern and design including the cost of reinforcement, centering, precasting, finishing, curing etc., complete as per standard specifications and as directed by Engineer-in-charge

Providing and fixing of M20 Grade Concrete Mix as per the standard specifications for ventilators of approved pattern including cost of cement, reinforcement, centering, shuttering, strutting etc., complete as generally shown in plan and as directed.

Providing Cut stone set in CM 1:3 (one cement and three sand) using well dressed cut stone supporting inlet pipe of size 0.30 x 0.30 x 0.15m for service reservoir etc., complete as per standard specifications and as directed by Engineer-in-charge.

Supply and delivery of CI D/F sluice valves with cap along with specials of the 150mm dia in size confirming to IS 14846 / 2000 (PN1) including flanged tail piece and other specials as required, loading, unloading, transportation charges and stacking and jointing including cost of jointing materials etc, complete as per standard Specification.

Constructing masonry chamber of inside dimensions as mentioned below with Country Brick, brick work in CM 1:5 (1 cement : 5 coarse sand) for sluice valve, with CI Surface box 100mm top diameter, 160mm bottom diameter and 180mm deep (inside) with chained lid and top RCC Precast slab 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20mm nominal size) with necessary earth work excavation including refilling the sides of foundation, foundation concrete 1:5:10 (1 cement : 5 coarse sand : 10 grade stone aggregate 40mm nominal size) and inside plastering with CM 1:5 (1 cement : 5 coarse sand) 12mm thick finished with a floating coat of neat cement, complete as per standard design and shown in the drawings. 1500x 900x1200mm clear inside dimensions

Providing and fixing in position of PVC water bar 150mm wide with single bulb for horizontal joints necessary holders fabrication, the rate inclusive of cost of water bar, holders fabrication and fixing in position etc complete as per standard specification and as directed by the Engineer.

Supplying, Laying, jointing of following DI specials of as per IS:9523-2000 with D.I pipes etc., complete as directed by the Engineer, and Provision for pipe connection arrangements for inlet, outlet, scour and overflow etc, including cost of pipes, specials, valve, labour charges for lifting, aligning, fixing of DI pipes etc, complete.

KAYAL KATTUMANAM (BID ID -1454310)