Rehabilitation of Kollapatti periyakulam Tank in Periya Kollapatti Village of Sattur Taluk in Virudhunagar District.

Amount

Dismantling with out damaging the near by structures if any ,clearing away and carefully stacking materials useful for reuse for any thickness of wall In brick masonry or RR Masonry In cement mortar wall under 3 m High as per technical Specification (B 14) as directed by the Engineer in charge.

Dismantling with out damaging the near by structures if any ,clearing away plain cement concrete as per technical Specification (B -37) as directed by the Engineer in charge.

Earth work excavating and depositing on bank with a initial lead of 10 m & initial lift of 2 m in Hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size of boulders hard gravelly soil etc., complete complying with standard specification and as directed by the departmental officers. (cut open bund)

Providing and placing in Position cement concrete of grade M15 for Plain cement concrete using hard broken stone aggregate of maximum nominal size of 40mm to IS specified grading mixing by mixer machine including dewatering the placement site,laying the concrete in layers and in bays vibrating,compacting and finishing the surface with all leads and lifts watring curing to attain the profile and strength as specified in the drawing for various depth and height below and above ground level etc complete and complying with the standard specification as directed by the Engineer in charge of work (By using mixer machine).

Providing and placing in Position of Plain cement concrete of grade M15 (1:2:4) Graded Metal using 40 % of 20 mm H.B. stone Jelly and 60 % of 40 mm H.B. stone Jelly to IS specified grading mixing by mixer machine including dewatering the placement site,laying the concrete in layers and in bays vibrating,compacting and finishing the surface with all leads and lifts watering curing to attain the profile and strength as specified in the drawing for various depth and height below and above ground level etc complete and complying with the standard specification as directed by the Engineer in charge.

Supplying and erecting water tight steel centering for sides and soffits including necessary supports and shuttering including strutting for retaining wall and all RCC works such as column, footing, plinth beam, etc., upto 3.29m height and all cross bracings using mild steel BG 10 sheets of size 90cm x 60cm gauge stiffeded with welded mild steel angles of size 25x25x3mm for boarding laid over silver oak ( country wood ) joits of size 10x6.5cm spaced at about 90cm centre to centre and suitably supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre including cost of materials etc., complete complying with standard specification as directed by the departmental officers the payment for centering shall be given after the concrete is laid and the retrived materials should be taken back the contractor.

Without Strutting

With Strutting

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 ingeridents 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 fixing best country wood plug with 50mm dia MS screw gearing rod 4m height support on 2 Nos. ISMB 125 RJ Joists of 1.80m length and guide beam 1 No. of the same size resting in turn of MS base plate of 50 X 30 mm size 6 mm thick with cast iron hexagonal head set and a collar plate of 300 X 300 X 6 mm thick fixed with necessary bolts and nuts and other fixture etc, complete as directed by the Engineer in charge of works and as per the technical specificationscentre and bottom side covered iron strap - 3 nos. Plate thickness size 3 mm steel plate. The plug hole size 10 cm to 25 cm dia. etc., including cost of rod , wrought and put up and fixing in correct alignment in position. The plug painted with two coats of Varnish, the rod painted with two coats of best anti-corrosive paint and conveyance to the work site including loading, unloading. The rates shall be including fixing charges etc. complete complying specification and as directed by the Engineer in charge.

Cleaning Juliflora jungle without uprootingcomplying with standar specification as directed Engineer in charge

Earth work in all soils except hard rock requiring blasting and conveying earth by deploying earth moving machineries and tippers for fomation of bund in layer of suitable thickness benching of slopes prior to placemwnt od earth fill breaking clods watering to OMC (Optimum moidture content) and compaction of each layer to 95% proctor dendity through deployment of appropriate compaction eqipement (+-8-10T Power roller /Vibtratory power roller / short width +-0.90m with drum) power roller or vibratory power roller / fuel oparated or elect - oparated plade compactor ensuring compaction of dedigned bund section including side slopes" complete as per specification.86.(1)(0 to 100 m)

Suppling and filling with sand for filling in layers of not more than 15cm thick well rammed with water complying with standard specification and as directed by the departmental officers.

Supplying demarcation R.C.C. pre cast posts in Cement concrete of grade M20 with well graded aggregates and the nominal maximum size of coarse aggregate of size 20 mm of size.0.15 x 0.15 x 1.20 M and fixing the post 40 Cm depth below ground level, the post includes using 4 numbers of 8 mm RTS main rod to a length of 1.00 M, using 6 mm MS 8 numbers as strips with steel centering and painting the post with enamel paint to a height of 0.45 M around the post etc. complete and conveying the post to the site of demarcation boundary such as tank bund and foreshore including earth work excavation for foundation in HSC having the base plain cement concrete of 15 cm of grade M10 concrete using 40mm, and the post embedded by using Cement concrete of grade M15 with well graded aggregates and the nominal maximum size of coarse aggregate of 20 mm for a height of 60cm etc, complete as directed by the Engineer in charge of works and as per the technical specifications.

Earth work deploying earth moving machineries for desilting channel and forming bund on either side depositing the earth on banks including jungle clearance etc., complete complying with standard specification and as directed by the Departmental Officers. Having width of more then 10 m.

Providing and fixing weep holes of 110mm dia PVC pipes of working pressure 4 kg/sqcm to required length for protection walls, abutments and wingm walls etc, including cost of conveyance of all materials to work site including cost of labour charges for 90cm spherical back fill arrangements with 110mm dia and 20mm size hard granite broken stone charges at the peripery, the labour charges or fixing and to drain the backfill etc., complete complying with standard specification as directed by the departmental officers.

S.PANDIAN (BID ID -1365020)

NARAYANA AND CO (BID ID -1365087)