Estimate for the cost of construction of a Tree-top Machan at Rosemala area in Ettappadappu section of Shendurney Wildlife Sanctuary during 2025-26

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Hot finished welded type tubes

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (1 Cement: 2 coarse sand (zone-III) derived from natural sources: 4 graded stone aggregate 40 mm nominal size derived from natural sources)

Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth level Thermo - Mechanically Treated bars of grade Fe-500D or more

Providing and fixing water proof Bamboo ply wood 3 mm thick for side covering fixing to the steel built up square sections using self drilling screws etc asper direction

Providing and fixing in roof using powder coated composition of alu-sink Trafford profile roofing sheet of 0.4 mm thick or nearest available thickness with overlap of 150mm at each ends fixing in position with polymer coated j or L bolt or self drilling screws plane washers and EPDM washers including cutting sheet to the required size and shape

Providing and fixing white vitreous china pedestal type water closet (European type W.C. pan) with seat and lid, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever), conforming to IS: 7231, with all fittings and fixtures complete, including cutting and making good the walls and floors wherever required:W.C. pan with ISI marked white solid plastic seat and lid

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require: White Vitreous China Flat back wash basin size 550x 400 mm with single 15 mm C.P. brass pillar tap

Supplying and fixing PVC floor rexine sheet including cutting and fixing in position as oer direction of Engineer in charger

Supplying and fixing CP Health faucet good quality including cost of materials and labour charges etc. complete as per the direction of site engineer-in-charge.

Providing and fixing PVC pipes, fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes with one step PVC Solvent cement and testing of joints complete as per direction of Engineer-in-Charge. Concealed work, including cutting chases and making good the wall etc. 110 mm pipe 4 kgf/cm2

Providing and fixing PVC moulded fittings/accessories for Rigid PVC pipes, including jointing with PVC solvent cement - 110 mm dia Socket/coupling

Providing and fixing PVC moulded fittings/ accessories for Rigid PVC pipes, including jointing with PVC solvent cement-110 mm dia Bend

Providing and fixing PVC moulded fittings/accessories for Rigid PVC pipes, including jointing with PVC solvent cement-110x110x110 mm dia Door tee

Providing and placing on terrace (at all floor levels) polyethylene water storage tank ISI 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Providing and fixing PTMT bib cock of approved quality and colour. 15 mm nominal bore, 86 mm long, weighing not less than 88 gms

Providing and fixing PVC pipes, fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step PVC solvent cement and testing of joints complete as per direction of Engineersin-Charge. Concealed work, including cutting chases and r itting chases and making good the wall etc. 25 mm pipe 12 kgf/cm2

Painting on G.S. sheet with synthetic enamel paint of approved brand and manufacture of required colour to given an even shade: New work (two or more coats) including coat of approved steel primer but excluding a coat of mordant solution.

Providing and fixing uplasticised PVC connection pipe with brass unions: 45 cm length 15 mm nominal bore

Providing and fixing PVC pipes, fittings including fixing the pipe with clamps at 1.00m spacing. This includes jointing of pipes & fittings with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge 140 mm dia 10 Kgf/cm2- Internal work- exposed on wall

Supplying and fixing 40mm PVC valve best quality

Supplying and fixing CP 15mm angle cock

Labors for clearing the site collecting and working bamboos grass etc

Carpenters for working bamboo etc

Varnishing with varnish of approved brand and manufacture: One or more coats wi copal varnish

Supplying and laying PVC hose for providing water facility to the Machan