CA NO CWE/CHM(U)-70/2021-22 REPAIR TO ROAD SIDE BERMS, ROAD FURNITURE AND PATH ETC AT WCLU, HRDC LINE, RVC LINE AND COMD HOSP AREA

Amount

Preparation of black top surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc complete all as specifed and directed.

M&L for applying evenly a priming/tack coat with bituminous primer paving bituminous (VG-10) at the rate 5 kg per 10 Sqm with mechanical sprayer complete all as specified and as directed.

M&L Bituminous premix asphaltic semi dense concrete 40 mm consolidated thickness with 5.5% binder (VG-30) contents by weight of total mix, mixed in hot mix plant and laid with mechanical paver, rolled and compacted with power rollers to required camber and gradient complete all as specified and directed. Note : - (i) Bituminous premix asphaltic concrete shall be laid using self propelled hydrastatic paver. (ii) Preparation of mix shall be using hot mix plant and transporting in tipper. (iii) Rolling shall be done in three stages as per clause 5.6.2 of IRC 111:2009 using 9 to 10 tonnes dead weight or vibratory steel wheel roller, pneumatic rollar of 12 to 15 tonnes and finally 6 to 8 tonnes smooth wheel rollars.

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area n. exc 400 sqm and exc. 50mm but n. exc 100mm deep etc complete all as directed.

M&L for Premix bituminous, macadam using 4% binder content using paving bitumen (VG-30) by wt of total mix using hot mix plant and laid with mechanical paver, rolled and compacted to required gradient and camber using vibromax power roller of capacity 8 to 12 Tonne complete all as specified and directed (consolidated thickness not exceeding 75 mm) complete all as specified and directed. Note :- (i) Bituminous macadam shall be laid using self propelled hydrastatic paver finisher. (ii) Preparation of mix shall be using hot mix plant and transporting in tipper.

Repair to potholes any depth, not exc 1 Sqm each including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, paths, etc. cutting around edges to at least 25 mm in depth, making good by applying tack coat @ 5 kg per 10 sqm paving bitumen (VG-10) putting in premixed bituminous macadam, well rammed and sealed with binder paving bitumen (VG-30) 9.8 kg per 10sqm, blinded with 0.09 cum of stone chippings, 6.3 mm size and again well rammed (including supply of premixed macadam, binder and chippings), depth of potholes exc 30 mm complete all as specified and directed.

M&L for 100 mm thick PCC 1:4:8 type D-2 (40 mm graded crushed stone aggs) as in sub base finish even and rough to receive the top layer complete all as specified and as directed.

M&L factory made precast concrete interlocking paver block with grey cement and pigment any shape and size casted in rubber moulds and compacted on vibratory table confirming to IS 15658-2006 of 60mm thickness, M-35 Grade complete all as specified and directed.

S&F dual direction speed breaker having high intensity cube corner reflector firmly bonded to high impact resistant plastic body of colour yellow and black of size 250 x 700 x 70 mm (height) provided with 6 steel nails, shape of side body to have interlocking pattern to keep all speed breakers in a row all as specified and directed.

Supply and fix in repair solar cat eye aluminum alloy shall (100% water proofing design according to 65) of size 125mm x 125mm x 25mm (shank 65mm) of high efficiency Mono rystafie solar panel 2.4V/ 0.3 watt one NI-ed rechargeable battery (1.2V/1600MA) consisting of super bright LED with 10,000 to 18,000 mcd mpleted as per manufactures instructions etc. all as specified and directed.

Supply and fixing in repair cat eye solar reflective type of metal body alloy of size 100mm x 100mm x 20mm with PAMA striplens reflector of model No. DA 972.0 fixed with and incl MS stud of suitable size as per manufactures instructions

M&L for preparing bituminous surfaces of road and marking 2.5mm thick centre lines, stop lines, dashes, arrows etc. and like n.exc 10cm wide on roads pavements with hot applied thermo plastic road marking paint of approved colour confirming to BS 3262-1989 with special applicator machine all as per manufactures instr complete all as specified and directed.

S&F in repair covex mirror minimum 100cm in dia outdoor type, body material- Polycarbonate, acrylic and mirror thickness not less than 3mm for traffic security purpose mounted on 2 mtr long SS pipe Gde 30G fixed with nut bolt and adjustable brackets/clamp system including necessary excavation and embeded in cement concrete type B1 1:2:4 (20mm graded crushed stone aggregate complete all as specified and directed.

M&L Providing cement concrete 1:2:4 type B-1 using 20 mm graded stone aggregate as in kerbs or mud stops,rounded or chamfered on edges including form work complete all as specified and as directed.

Supply and fixing metal tubular dealineator made out of ABS round body fitted with 2 Nos 65 mm dia highly reflective reflectors made out of PMMA and mounted on 45/50 mm dia mild steel pipe of 600 mm height duly powder coated and thermo plastic elastomer 3 bands of green, red and yellow reflector radium tape of 25 mm wide strips with anti theft steel net for reflector protection including embedding in PCC 1:2:4 (150x150x300mm) type B1 complete all as specified and directed.

Manufacturing, supplying and fixing retro reflective Mandatory/ Regulatory sign boards of 900 mm diametre with support length of 3750 mm and made up of 2 mm thick aluminium 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 aluminium alloy rivets @ 20 cm c/c to back support frame of M.S. angle iron of size 25x25x3 mm along with theft resistant measures, mounted and fixed with 2 Nos. M.S. angles of size 35x35x5 mm to a vertical post made up to M.S. Tee section ISMT 50x50x6 mm welded with base plate of size 100x100x5 mm at the bottom end and including making holes in pipes, angles flats, providing & 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 MS-Tee support to be painted in black and white colours).Backside of aluminium sheet to be painted with two or more coats of epoxy paint over and including appropriate priming coat including all leads and lifts etc. complete as per drawing , specification and directions of Engieer-in-Charge.

Manufacturing, supplying and fixing retro reflective Cautionary /warning sign boards of equilateral triangular shape having each side of 900 mm with support length of 3650 mm and made up of 2 mm thick aluminium 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 aluminium alloy rivets @ 20 cm c/c to back support frame of M.S. angle iron of size 25x25x3 mm along with theft resistant measures, mounted and fixed with 2 Nos. M.S. angles of size 35x35x5 mm to a vertical post made up to M.S. Tee section ISMT 50x50x6 mm welded with base plate of size 100x100x5 mm at the bottom end and including making holes in pipes, angles flats, providing & fixing M.S. message plate of required size, steel work to be painted with two or more coats of synthetic enamel paint of equired shade and of approved brand & manufacture over priming coat of zinc chromate yellow primer (vertical S-Tee support to be painted in black and white colours).Backside of aluminium sheet to be painted with two or more coats of epoxy paint over and including appropriate priming coat including all leads and lifts etc. complete as per specification and direction of Engineer-in-charge.

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