Permanent Restoration works to Direct Sluices under Manakarai and Anantha Nambikurichi Villages in Srivaikuntam Taluk of Thoothukudi District

Amount

Clearing Juliflora jungle without uprooting and disposing off the same etc., complete complying with standard specification and as directed by the departmental officers.

Dismantling clearing away and carefully stacking materials usefull materials for reuse for any thickness of walls in brick or stone masonry in cement mortar walls under 3m high etc., complete complying with standard specification and as directed by the departmental officers.

Dismantling clearing away and carefully stacking materials usefull materials for reuse for dismantling Plain cement concrete etc., complete complying with standard specification and as directed by the departmental officers.

Earthwork in all kind soils except hard rock requiring blasting and conveying for formation of bund with a lead of 0m to 100m deploying earth moving machinery and tippers including benching, formation of bunds, breaking clods, sectioning etc., complete complying with standard specification and as directed by the departmental officers.

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 by the departmental officers.

Earthwork excavation for foundation 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 inclusive of shoring to full depth strutting and bailing out water wherever necessary and refilling the sides of foundation with excavated soil other than sand in layers of not more than 15 cm thick, well rammed, consolidated and depositing the surplus earth in places as shown by the departmental officers with an initial lead of 10 metres and initial lift of 2 metres and clearing, levelling the site etc., complete complying with standard specification and as directed by the departmental officers.

Earthwork in all soils except hard rock requiring blasting and conveying with a lead of 1KMMR by deploying earth moving machineries and tippers for formation of bund in layers of suitable thickness, depending upon type of compaction equipment deployed , and not exceeding 23 cm thickness, benching of slopes prior to placement of earth fill, including extra earth filling , breaking clods, watering to OMC and compaction of each layer to 95% of Proctor density through deployment of appropriate compaction equipment 8-10 tonne power roller ; vibratory power roller ; short width (+/-)0.90m width drum) power roller or vibratory power roller ensuring compaction of designed bund section and also ensuring compaction of earth fill and side slopes through the deployment of hydraulic excavators with steel plate fixtures attached to their booms/ heavy power rollers capable of climbing 2.00 (Horizontal) : 1.00 (Vertical) slope including side slopes as directed by the engineer in charge of works and as per technical specifications.

Gravel backing for revetment and apron in layers not exceeding 15cm thick, including watering, consolidation and trimming the top surface so as to receive the Rough Stones and including stacking for pre measurement etc., complete complying with standard specification and as directed by the departmental officers

Manufacturing and fixing of M15 grade cement concrete block of size 300X250X200mm using hard broken stone aggregate of maximum nominal size of 20mm including moulding charges casting of blocks, finishing, curing and conveyance of all materials to work site and fixing the same in postion and handling charges for the same in position including all other incidental charges etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing in position Plain Cement concrete of M-10 using broken hard granite coarse aggregate (well graded) of nominal maximum size of 40mm to IS specified grading and using crushed stone sand(m-sand) ( to achieve the specified characteristic strength of 10 N / mm² in 28 days ) and mixing the incredients in approved mixer including dewatering of the placement site by baling/pumping and diverting wherever necessary placing in layers and watering, curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength as specified in the approved drawings and specification etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing in Position of Plain cement concrete of grade M15 using hard broken stone aggregate of maximum nominal size of 20mm to IS specified grading and using crushed stone sand(m-sand) ( to achieve the specified characteristic strength of 15 N / mm² in 28 days ) and mixing the incredients in approved mixer including dewatering of the placement site by baling/pumping and diverting wherever necessary placing in layers and watering, curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength as specified in the approved drawings and specification etc., complete complying with standard specification and as directed by the departmental officers. (With vibration)

Providing and placing in Position of Plain cement concrete of grade M15 using hard broken stone aggregate of maximum nominal size of 60% of 40mm and 40 % of 20mm IS specified grading and using crushed stone sand(m-sand) ( to achieve the specified characteristic strength of 15 N / mm² in 28 days ) and mixing the incredients in approved mixer including dewatering of the placement site by baling/pumping and diverting wherever necessary placing in layers and watering, curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength as specified in the approved drawings and specification etc., complete complying with standard specification and as directed by the departmental officers.

Providing and Placing Reinforced Cement Concrete of grade M20 using broken hard granite coarse aggregate (well graded) of nominal maximum size 20mm and down graded to I.S specified grading and using crushed stone sand(m-sand) (to achieve the specified characteristic strength of 20 N/mm² in 28 days) and mixing the incredients in approved mixer including dewatering of the placement site by baling/pumping and diverting wherever necessary placing in layers and watering, curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength as specified in the approved drawings and specification etc., complete complying with standard specification and as directed by the departmental officers.

Supplying, Fabricating and placing in position of ribbed steel bars of various diameters for all reinforced concrete works, including cost of rods and binding wire, labour charges for cutting the rods to the required lengths, bending, tying and fixing in position of various depths and heights below and abvoe ground level etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting water tight steel centering for sides and sofits including supports and strutting upto 3.29M height for plain surface such as RCC slab, vertical slabs, side slabs of RCC works wioth all cross bracings using mild steel B.G.10gauge sheets of size 90cm x60cmx10 gauge stiffend with welded mils dteel angels of size 25mm x25mmx3mm for boarding laid over silver oak(country wood) joists of size 10cmx6.5 spaced at about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre etc., complete complying with standard specification and as directed by the Engineer incharge of work (The retrieved materials should be taken back by the contractor). The payment should be made after the concrete is laid.

Without Strutting

With strutting above G.L upto 3.29m

Refilling the excavated earth in layers not exceeding 23cm thickness and watering to OMC (Optimum Moisture content) and compaction of each layer to 95% of proctor Density through deployment of appropriate compaction equipment (8-10T power roller) vibratory power roller of short width ( 0.90m width drum) power roller or vibratory power roller/fuel operated or electrically operated, vibratory plate compactors, ensuring compaction of designed bund section including side slopes etc., complete as directed by the Engineer in charge of works and as per the technical specifications.

Supplying and fixing new cut stone fully dressed to size all faces and set in cement mortar 1:3 (One cement and three m sand ) including all incidental charges such as finishing, curing etc., complete complying with standard specification and as directed by the departmental officers.

Fabricating supplying and fixing in position screw gearing steel shutter made up of 50mmx50mmx6mm mild steel angle covered by 6mm mild steel angles welded with the frame on one side providing a guest plate of 6mm thick of mild steel sheet welded at the top of shutter providing access to fit screw gearing rod of 50mm dia shaft of suitable length threaded for required length from top providing of 150x75mm rolled steel joist 1500m length for the top of masonry, head wall at correct position and to be anchored by means of 2 Nos. of 50x50x6mm steel plates bend at the ends to hold the top beam at correct position and with 16mm mild steel bolt, 450mm long split bottom providing a cast iron head threaded assembly with base plate of size 240x240x20mm and head threaded inside to suit the steam rod with locking nut and to be fixed over the top beam by means of 16mm thick mild steel rods and 50 x 6mm mild steel plates to suit the head nut and providing 2 Nos. of guide channel of 75x40x7.10 Km/m for suitable length to be fixed. S.G.Shutter of size 0.50mx0.50 m

GST at 18%

VIDHYASAGAR