Construction of Rwalls, Bwall, Pwall, CC Drains, RCC pipes at various critical accident spots in block Kangan

Part A

Earth work in bulk excavation by mechanical means (hydraulic excavator) over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m, as directed by Engineer-in-Charge. All kinds of soil :

Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead upto 50 m and lift upto 1.5 m in -All kinds of soil.

Providing, Laying and spreading of RBM/ Nallah muck from approved source including sorting, spreading, watering and consolidation with PRR 8-10 Tonne including all leads, lifts and carriage of materials complete job (Max stone size not exceed 150mm) as per the directions of Incharge Engineer complete as per clause 201.4 as per technical specfication clause 408 complete.

Supplying , stacking and Laying at site WBM GII stone aggregate of size 63 mm to 45 mm, Stone screening of size 13.2 mm nominal size (Type A) specifications in uniform thickness, hand picking, rolling with 3 wheeled road / vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and brooming requisite type of screening /binding material to fill up interstices of coarse aggregate, watering and compacting to the required density.

Providing Retro-reflective regulatory sign board of size 900mm diameter made out of 2mm thick aluminum sheet, face to be fully covered with high intensity encapsulated lens type retro-reflective sheeting as approved by Engineer-in-charge. Letter, symbols, borders, etc. will be as per IRC:67 with required colour scheme on the boards and with the high intensity grade A. the aluminum sheet to be riveted to M.S. frame of angle iron of size 40x40x4mm. The boards will be fixed to 1 No. 50x50mm square post made of M.S. angle 50x50x4mm, 4m long welded to the frame with adequate anti-theft arrangement. Sheet work to be painted with two or more coats of synthetic enamel paint over an under coat (primer) and back side of aluminum sheet to be painted with two or more coats of epoxy paint including appropriate priming coat complete in all respects as per directions of Engineer-in-charge.

Manufacturing supplying and fixing retro reflective sign boards made up of 2mm thick aluminum sheet, face to be fully covered with high intensity encapsulated type heat activated retro reflective sheeting conforming to type-IV of ASTM-D-4956-01 in blue and silver white or other colour combination including subject matter, message (bi-lingual), symbols and borders etc. as per IRC : 67-2001, pasted on substrate by an adhesive backing which shall be activated by applying heat and pressure conforming to class -2 of ASTM-D-4956-01 and fixing the same with suitable sized aluminum alloy rivets @ 20cm c/c to back support frame of M.S. angle iron of size 25x25x3mm along with theft resistant measures mounted and fixed with 2 nos. M.S. angles of size 35x35x5mm to a vertical post made upto M.S. Tee section ISMT 50x50x6mm welded with base plate of size 100x100x5mm at the bottom end and including making holes in pipes, angle flats, providing and fixing M.S. message plate of required size steel work to be painted with two or more coats of synthetic enamel paint of required shade and of approved brand & manufacture over priming coat of zinc chromate yellow primer (vertical M.S.-Tee support to be painted in black and white colours). Backside of aluminum sheet to be painted with two or more coats of epoxy paint over and including appropriate priming coats including all leads and lifts etc. complete as per drawing, specification and direction of Engineer-in-charge. Cautionary/warning sign boards of equilateral triangular shape having each side of 900 mm support length of 3650mm.

Providing Retro-reflective sign board os size 900x600mm made out of 2mm thick aluminium sheet, face to be fully covered with high intensity encapsulated lens type retro-reflective sheeting asapproved by Engineer Incharge. Letter, symbols, borders etc. will be as per IRC:67 with required colour scheme on the boards and with the high intensity grade A. the aluminium sheet to be riveted to M.S frame of hollow square pipe 35x35x4mm and 35x25x3mm hollow pipes. The boards will be fixed to 2 no. 50x50x4mm square posts made/ 50 mm hollow pipe as per site, 4mm long welded to the frame with adequate anti theft arrangement. Sheet work to be painted with two or more cots of synthetic enamel paint over an under coat (primet) and back side of aluminium sheet to be painted with two or more coats of epoxy paint including appropriate priming coat complete in all respects as per the directions of Incharge Engineer.

Part B

Earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed: 25 meter beyond 1 m from cutting edge All kinds of soil :