Rehabilitation and renovation to Authoor canal under Thamirabarani system in Eral Taluk of Thoothukudi District

Amount

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 specifications and as directed by the Engineer incharge of work.

Dismantling clearing away and carefully stacking materials usefull materials for reuse dismantling Dry stones apron or revetment, stacking within 40m lead etc., complete complying with standard specifications and as directed by the Engineer incharge of work.

Dismantling the existing Plain Cement Concrete over Cut Stone Slab in the existing bridge and clearing away from the work site and carefully stacking the useful materials for reuse on the road side as directed by the departmental officers including all labour and incidental charges etc., complete.

Earthwork excavating and depositing on bank with initial lead of 10m & initial lift of 2m in Hard stiff clay, stiff black cotton, hard red earth, shales, marruam, gravel, stoney earth and earth mixed with small size boulders SS.2B etc., complete as per relevant standard specification.

Earthwork for foundation in hard stiff clay excavating and deposition on bank with initial lead of 10m & initial lift of 2m in Hard stiff clay, stiff black cotton, hard red earth, shales, maurram, gravel, stoney erath and earth mixed with small size boulders SS.20B etc., complete as per relevant standard specification.

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 and down graded 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 specifications and as directed by the Engineer incharge of work Without vibration.

Providing and placing in position Plain Cement concrete of M-15 using broken hard granite coarse aggregate (well graded) of nominal maximum size of 60% of 40mm hard broken stone and 40% 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 specifications and as directed by the Engineer incharge of work..

Providing and placing of Plain Cement concete of grade M20 using 40mm down graded (70% 40mm and 30% 20mm ) ISS Graded HBGS Jelly including cost and conveyance of all materials ( to achieve the specified characteristic strength of 20 N / mm² in 28 days) to site and cost of cement at site but excluding cost and fabrication of steel but including cost of form work, soft water, labour charges for mixing, transporting, laying and curing concrete, working art depths, Tools and plants and incidential charges etc., complete as per relevant standard specifications for Abutment& pier

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 (to achieve the specified characteristic strength of 20 N/mm2 in 28 days with a minimum cement content of 366kg/m3 of concrete) mixing the ingredients in approved mixer including dewatering of the placement site by bailing/pumping 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 drawing and specification and including the cost component of providing rigid and smooth centering and shuttering wherever necessary for various depths below ground level as per the direction of the Engineer complete complying with standard specification but excluding cost of reinforcement

Providing and Placing Reinforced Cement Concrete of grade M30 using broken hard granite coarse aggregate (well graded) of nominal maximum size 20mm and down graded to I.S specified grading (to achieve the specified characteristic strength of 30 N/mm2 in 28 days with a minimum cement content of 366kg/m3 of concrete) mixing the ingredients in approved mixer including dewatering of the placement site by bailing/pumping 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 drawing and specification and including the cost component of providing rigid and smooth centering and shuttering wherever necessary for various depths below ground level as per the direction of the Engineer complete complying with standard specification but excluding cost of reinforcement

Providing and fixing seepage pipes of 100mm PVC pipes of 4kg/cm2 required lengths for abutments and wings including cost and conveyance of all materials to worksite, cost and labour for 900mm dia semi-spherical backfill arrangements with 100mm size broken granite chips at the periphery and labour charges for fixing etc., complete to drain the backfill int he abutments and wings.

Providing and fixing KRAFT PAPER for full width of seating of deck slab and including cost and conveyance to worksite, labour for fixing the same in correct position and all other incidental charges etc., complete - 1 Sqm.

Filling behind Abutments and wings with clean gritty gravel including cost and conveyance of gravel to worksite, laying handling charges and filling in layers, tamping under optimum moisture content to get the maximum density including watering,w ith all leads for water and all other incidental charges etc., complete-1 Cum.

Supplying and fixing 300mm wide PVC EXPANSION JOINT in the 20mm expansion gap provided in between decks over piers and dirt wall over abutment as shown in the drawing including cost and conveyance of expansion joints including shalimar pad and joint sealant etc., complete.

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 complete as directed by the Engineer complying with specification.

Providing and placing in position Plain Cement concrete of M-15 using broken hard granite coarse aggregate (well graded) of nominal maximum size of 20mm and down graded 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 specifications and as directed by the Engineer incharge of work.

Providing and placing in position Plain Cement concrete of M-20 using broken hard granite coarse aggregate (well graded) of nominal maximum size of 20mm and down graded to IS 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 specifications and as directed by the Engineer incharge of work.

Providing and placing in position Plain Cement concrete of M-30 using broken hard granite coarse aggregate (well graded) of nominal maximum size of 20mm to IS specified grading and using crushed stone sand(m-sand) ( to achieve the specified characteristic strength of 30 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 specifications and as directed by the Engineer incharge of work.

Supplying and fixing cutstone is cement mortar 1:3 (one cement and three sand) three faces one Roughly dressed as directed by the departmental officers.

Supplying and fixing GI DRAINAGE SPOUTS 100MM dia as per GOI drawing SD/205 with grating arrangements at top as shown in the drawing and 100mm dia drainage spout adjecting atleast 300mm beyond the bottom of deck slab as shown in the drawing, including cost and conveyance of Galvanised iron pipes and flats and fixing thm in position, etc, complete as per cl2705 of MORT & H specification (Revision) W-0222.

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.

Centering for Without Strutting.

Centering for With Strutting

Providing filter media behind the abutments and wings with clean III graded material 53mm to 5.6mm to 600mm thick and well compacted in layers with smaller sized towards the soild and bigger size towards the wall including cost and conveyance to work site inlcuding all labours and other incidental charges including hire charges for tools and plants employed etc., for filter media s per MOST's (Roads Wing) specifictions for Roads and Bridges "Fourth Revision Cl.309-3-13 and 305-4-4 etc., complete - 1Cum.

Fabricating, Supplying and erection of Screw gearing steel shutters made out of 8mm thick Mild Steel plates and single side outer frame and inner cross bracing of 65x65x6mm MS angle all welded with shutter plate screw rod of 50mm diameter round welded with square thread to height of 2.50m. Top beam made out of 150mm x 75mm R.S.joists to adequate length -2nos with necessary holes arrangements to fix the headset assembly with base, bottom nut, top cover. Nut threaded with square threaded to suit the rod thread. The sluice top open covered with framed MS sheet having locking type arrangement with stiffeners at bottom, locks etc complete. Conveying the fabricated shutter including loading, unloading and leading the shutter to the vent. Dismantling the eroded shutter and shuttering arrangements by using necessary gas cutting equipments. Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipments. The shutter shall be painted with one coat of primer. The rate including cost of materials, consumables, labours, power charges, conveyance charges, charges for all equipments required conveying the dismantled materials to the section stores, cost of petty civil works, trial operation of shutter and including all taxes etc., complete. S.G.Shutter of size 0.50 X0.50

Fabrication, Supply and erection of Screw Gearing Steel Shutter of following sizes made out of 12mm thick Mild Steel plates and 100 x 50 x 6mm Mild Steel Channels for outer frame, vertical and horizontal stiffeners at equal spacing made out of same section and 8mm Mild Steel plate 2 Nos. of size 0.10 x 0.35m with required bolts and nuts and shutter Groove Angle made out of 100 x 50 x 10mm Mild Steel Channel of suitable length both sides and Providing Screw Rod 75 mm dia Mild Steel Round Rod duly machined and threaded to necessary length suit the Capstan Head Assembly with necessary bolt and nut and beam made out of 200x100x6mm (ISMB 200) duly drilled to suit the Head Set Assembly with required bed bolt made out of 16mm Mild Steel Round Rod duly threaded with suitable anchorage arrangements with necessary Fish Plate made out of 10mm Mild Steel plate 2 Nos of size 0.10 x 0.40m and the Cast Iron Head Set Assembly medium duty with hexagonal nut duly machined with nut, threading to suit the Screw rod of 63mm with including cost of ball bearings for smooth operation cost of grease, one coat of Anticorrosive black paint over the one coat Red Oxide primer etc., The cost shall include required handle for shutter operation and conveying loading and unloading charges including petty civil work and trail operation etc., complete. (excluding GST) Shutter Size

Steel shutter Size 2.60 x 1.40

Steel shutter Size 2.50 x 1.65

Rough stone dry backing for Revetment and apron using New hard stones obtained from approved sources including the cost of new wedges for filling the gaps etc. and complete of the works.

Gravel packing 15cm thick for cement concrete block revetment or apron including stacking watering and consolidation etc, complete as directed by the Engineer in charge of works and as per the technical specifications.

Rough stone dry backing for Revetment and apron using old hard stones obtained from approved sources including the cost of new wedges for filling the gaps etc. and complete of the works..

GST at 18%

AVS CONSTRUCTIONS