CONSTRUCTION OF 5.00LL CAPACITY OHT AT DEVATEX COLONY STREET IN ARUPPUKOTTAI MUNICIPALITY

Earth work excavation and depositing on bank with initial lead 10m and lift of 2.0m in the following classification of all soils, bailing out water wherever necessary including providing danger lights etc., and as directed as per specification SS 20B

First depth of 2m - All Soil

Second depth of 2m

Sand filling for foundation with river sand including consolidation ramming etc. complete as per standard specifications and as directed by the Engineer-incharge

Plain Cement concrete 1:5:10 (one cement, four sand and eight course aggregate of 40mm size hard blue granite broken stone) for levelling course for foundation including the cost of mixing, placing the concrete in position, consolidating finishing

BEYOND 1.50M FROM GL

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 / 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).

below 1.50m to 4.50m depth from G.L

Below G.L upto 1.50m depth

Above G.L upto 4.50m height

Above 4.50m to 7.32m ht., from G.L

Above 7.32m to 10.98m ht., from G.L

Above 10.98m to 14.64m ht., from G.L

Above 14.64m ht., to 18.30m ht.,

Above 18.30m ht., to 21.96m ht.,

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 specifcation. (Payment for centering shall be given after the concrete is laid).

Upto 3.30m ht., from G.L

From 3.30m to 4.30m ht.

From 6.30m ht., to 7.30m ht.

From 10.30m to 11.30m ht.

From 15.30m to 16.30m ht.

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 (One cement, one and half sand, three aggregates) using 20mm HBG stones 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.

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 specifcation. Steel Adjustable telescopic props shall be rovided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Centering for square column - upto 3.30m ht.

From 3.30m to 4.30m ht.,

From 4.30m to 5.30m ht.,

From 5.30m to 6.30m ht.,

From 6.30m to 7.30m ht.,

From 7.30m to 8.30m ht.,

From 8.30m ht., to 9.30m ht.,

From 9.30m ht., to 10.30m ht.,

From 10.30m ht., to 11.30m ht.,

From 11.30m ht., to 12.30m ht.,

From 12.30m ht., to 13.30m ht.,

From 13.30m ht., to 14.30m ht.,

From 14.30m ht., to 15.30m ht.,

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).

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 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 and as directed by the departmental Officers(Payment for centering shall be given after the concrete is laid)

Centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3m ht., using MS sheet of size 90cm x 60cm and BG. 10 gauge stiffened with welded MS angles of size 25mm x 2mm x 3mm laid over silver oak (country wood)

Centering for circular column -upto 3.30m ht., from floor level

From 3.30m to 4.30m ht.,

From 4.3m to 5.3m ht.,

From 5.3m to 6.3m ht.,

From 6.3m to 7.3m ht.,

From 7.3m to 8.3m ht.,

From 8.3m to 9.3m ht.,

From 9.3m to 10.3m ht.,

From 10.3m to 11.30m ht.,

From 11.3m to 12.3m ht.,

From 12.3m to 13.3m ht.,

From 13.3m to 14.3m ht.,

From 14.3m to 15.3m ht.,

Supplying, fabricating and placing in position of RTS grills for reinforcement for various members including cost of steel for all RCC works etc., complete as per standard specifications and as directed by Engineer-in-charge. The rate to include the cost

Painting two coats with approved cement paint best quality over the outer wall surface including cost of cement paint etc. complete complying with standard specification etc., complete as per standard specifications and as directed by Engineer-in-charge

Supplying and fixing in position of 0.60 x 0.60m water tight CI manhole frame and cove of approved pattern at the roof slab and as directed. The manhole frame and cover should be of light duty

Supply and fixing in position of enamel water level indicator

Supplying and fixing of RCC 1:1.5:3 (1 Cement : 1.5 Sand : 3 Coarse Aggregate) using 20 mm HBGS 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

Manufacturing, Supplying and Fixing of Stainless Steel Hand rails for staircase using 50mm dia 304L Grade Stainless Steel pipe of 1.60mm thick at required locations to a height of 900mm from finished floor level welded to 38mm dia Stainless Steel pipe post of 1.00mm thick as vertical at 900mm centre with 2 Nos. of 25mm dia intermediate horizontal stainless steel pipe of 1.60mm thick in between. The vertical pipe has to be welded to the 100 X 100 X 6mm MS base plate encased in the base concrete. The rate is inclusive of the charges for cutting, bending, welding, grinding, polishing, conveyance, electrical charges, etc. complete

Providing and fixing of RCC 1:2:4 (one cement, two sand and four course aggregate of 20mm size hard blue granite broken stone) for ventilators of approved pattern including cost of cement, reinforcement, centering, shuttering, strutting etc., complete as generally shown in plan and as directed.

Construction of RCC spiral staircase in RCC 1:1.5:3 (1 Cement : 1.5 Sand : 3 Coarse Aggregate) using 20 mm HBGS of 1.80 m diameter of 16m vertical height from the basement level (Ground level) 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.

Pipe connection Inlet-300MMX2.75MCI D/FPIPE

300MMX1.00MCI D/FPIPE

300MMXCI D/F DUCK FOOTBEND

300MMXCI D/FBEND

300MMX2.00MCI D/FPIPE

300MMX1.50MCI D/FPIPE

300MM D/F SLUIICE VALVE

OUTLET-300MMX2.75MCI D/FPIPE

300MMX1.00MCI D/FPIPE

300MMXCI D/F DUCK FOOTBEND

300MMXCI D/F SLUICE VALVE

300MM CI BELL MOUTH

SCOUR-200MMX2.75MCI D/FPIPE

200MMX1.00MCI D/FPIPE

200MMXCI D/F DUCK FOOTBEND

200MMXCI D/FBEND

200MMX2.00MCI D/FPIPE

200MMX1.50MCI D/FPIPE

200MM D/F SLUIICE VALVE

200MM BELL MOUTH

OVERFLOW-300MMX2.75MCI D/FPIPE

300MMX1.00MCI D/FPIPE

300MMXCI D/F DUCK FOOTBEND

300MMXCI D/F BEND

300MM X 2.00MCI D/F PIPE

300MM X 1.50MCI D/F PIPE

Earth work excavation for laying pipeline 300MM CI

Refilling for laying pipeline 300MM CI

Construction of valve pits 300MM CI

Vertical laying CI pipes 0-2 M

Vertical laying CI pipes 2-4 M

Vertical laying CI pipes 4-6 M

Vertical laying CI pipes 6-8 M

Vertical laying CI pipes 8-10 M

Vertical laying CI pipes 10-12 M

Vertical laying CI pipes 12-14 M

Vertical laying CI pipes 14-16 M

Vertical laying CI pipes 16-18 M

Vertical laying CI pipes 18-20 M

Horizontal Laying 300MM CI

Jointing CI D/F 300MM CI

Jointing CI D/F 200MM CI