Improvements to Left out components of Chennampatti Right Main Canal in Kariapatti Taluk of Virudhunagar District.

Amount

Dismantling with out damaging the near by structure if any, clearing away and carefully stacking materials useful for re-use for any thickness of walls Brick / Stone Masonry in cement mortar walls under 3m high etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Dismantling with out damaging the near by structure if any, clearing away and carefully stacking materials useful for re-use for any thickness of reinforced cement concrete by deploying machinery etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Earth work excavating and depositing on bank with initial lead of 10 m & initial lift of 2m in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc., complete complying with standard specification and as directed the Engineer in charge of work. (SS20B For Cut open and Foundation)

Refilling with excavated earth (other than sand) with all leads and lifts for filling the cut open wherever necessary in layers including breaking clods, watering and compaction using power roller to at least 95 % of Procter density at OMC in each layer and sectioning etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Earth work deploying earth moving machineries for desilting channel and forming bund on either side and depositing the earth on banks including jungle Clarence etc. complete complying with standard specification and as directed by the Engineer in charge of work. (Channel having width more than 10m)

Supplying and erecting water tight steel centering for sides and soffits including supports and strutting up to height of 3.29 m for plain surface with all cross bracings using mild steel B.G.10 gauge sheets of size 90cm x 60cm stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding laid over silver oak (country wood) joists of size 10cm x6.5cm spaced at about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre complete complying with standard specification and as directed by the by the Engineer in charge of work (The retrieved materials should be taken back by the contractor ). The payment for centering should be made after the concrete is laid etc.,

Centering without strutting

Centering up to 3.29 m Height

Providing and placing in position of Plain Cement Concrete of grade M 10 using hard well graded coarse aggregate of maximum nominal size of 40mm weigh batching the ingredients and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 10N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Providing and placing in position of Plain Cement Concrete of grade M 15 using hard well graded coarse aggregate of maximum nominal size of 40mm (60%) and 20mm (40%) weigh batching the ingredients and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 15 N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, vibrating, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification.

Providing and placing in position of Plain Cement Concrete of grade M 20 using hard well graded coarse aggregate of maximum nominal size of 20mm weigh batching the ingredients and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 20N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work. (For Wearing Coat without vibration)

Providing and placing in position of Plain Cement Concrete of grade M 20 using hard well graded coarse aggregate of maximum nominal size of 20mm weigh batching the ingredients and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 20N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Providing and placing in position of Plain Cement Concrete of grade M 25 using hard well graded coarse aggregate of maximum nominal size of 20mm weigh batching the ingredients and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 25N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Providing and placing in position of Reinforced Cement Concrete M25 grade using hard well graded coarse aggregate of maximum nominal size of 20mm weigh batching the ingredients and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 25N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Supplying fabricating and placing in position of Ribbed tor steel bars of various diameter for all Reinforced Cement Concrete works including cost of rods, binding wire, Labour Charge for cutting the rods to the required length, bending, tying and fixing in position complete for various height below and above ground level etc., Complete complying with standard specification and as directed by the by the Engineer in charge of work.

Providing construction contraction and lift joints in concrete including placing mastic/Tar pad of 20mm thick (1.04 kg of asphalt and 1.00 m2 mastic pad required for 1 Rmt.) at vertical joints in side of wall in required size as specified in the drawings and specification etc., Complete complying with standard specification and as directed by the by the Engineer in charge of work.

Supplying, hoisting, laying and fixing in position of RCC hume pipes NP3 class of 900mm dia with suitable collars including labour and jointing materials etc., complete complying with the standard specification and as directed by the Engineer in charge of the works.

Providing and fixing weep holes of 110mmdia PVC pipe of working pressure 4Kg/cm2 to a required length for protection wall , Abutment & Wing wall etc., Including cost of all materials to work site including labour charges for 90cm spherical backfill arrangement with 110 mm dia and 20mm size hard granite broken stone charges at the periphery, the labour charges for fixing to drain the back fill etc., Complete complying with standard specification and as directed by the by the Engineer in charge of work.

Random Rubble Masonry in C.M 1:4 (One cement and four sand) using old hard granite wedged split stones including providing new bond stones wherever necessary including simultaneous flush with simultaneous pointing of the exposed surface above ground level with the same mortar and all incidental charges such as scaffolding, finishing, curing etc., complete complying with the standard specification and as directed by the Engineer in charge of the works.

Fabricating, supplying and erection of Screw Gearing steel shutters of size 1.10 m x 1.10 m with consists of skin plate made out of 8 mm thick mild steel plate and horizontally stiffened with 100 mm x 50 mm x 6 mm steel channel (ISMC) at an interval of not more than 0.5 m and vertical stiffeners made out of same section at an interval not more than 0.6 m and provided with 8 mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Groove Channels of ISMC 100mmx50mmx6mm mild steel angle for required height up to 2.50 m including welding hold fast of size 40 mm x 40 mmx 6 mm mild steel angle 3 numbers on both sides. Providing Sill Beam of 150mm x 80mm x 6mm, 1.1 m length and providing of 63 mm screw rod made of mild steel duly machined and fully threated to suite the Head set assembly with required height up to 2.50 m and required holes. Fixing the screw rod to the shutter gusset plate with required bolts and nuts in proper alignment to the Head Set. Providing of Top Beam made up of 200 mm x 100 mm x 6 mm (ISMB 200) for the length of 1.70 m duly drilled to suite the Head Set assembly with required bed bolts made out of 25 mm mild steel round rod duly threated with suitable anchorage arrangements to the height of 0.6 m with necessary fish plate made out of 16 mm mild steel plate of size 0.2 m x 0.3 m 2 numbers with require bolts. Providing Head set assembly medium duty with Hexagonal nut (approximate 50 kg) made up of cast iron including moulding, machining and Hexagonal nut threaded to suit screw rod provided with thrust bearings for smooth operation. The whole shutter assembly should be painted with two coats of anti-corrosive black paint over one coat of red oxide primer paint. The rate is inclusive of all materials, labour charges including Lathing, Drilling, Welding, Gas cutting, Hydraulic bend removing of M.S. rod, hire charges of Crane, cost of covering plate, Foundation bolts, all bolt and nuts, conveyance to this site, Loading and unloading charges, Grease packing, Lubricating oil, Operating key, Locking arrangement and checking the Shutter operation etc., complete as directed by the Departmental Officers. The rate is Excluding GST.

M/S Annanmar Constructions (BID ID -1234385)