REPAIRS TO POT HOLES AND RECARPETING OF ROADS AT NSTL, KALINGA AND DOLPHIN UNDER AGE I RND NSTL VISAKHAPATNAM

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

Premix bituminous macadam with 4% binder content using paving bitumen VG-30) by weight of total mix laid / rolled and compacted to required gradient and camber (consolidated thickness 75mm or less) complete all as specified and directed.

Material & Labour for Preparing existing black top surface by brushing with wire brush for removing caked mud etc., sweeping with brooms, and finally fanning the cleaned surfaces with gunny bag to remove all loose dirt etc complete all as specified and directed.

Material & Labour for applying evenly a tack coat with bituminous primer (Paving bitumen of grade VG- 10 grade bitumen) @ 5 kg per 10 Sqm over existing black top surfaces complete all as specified and directed.

Material & Labour for bituminious premix asphaltic semi dense concrete 40mm thick consolidated thickness with 5.5% binder content( paving bitumen VG- 30) by weight of total mix all as per job mix formula, rolled and compacted to required camber and gradient complete Rolling shall be done with power roller /vibrator roller complete 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 complete all as specified and directed.

Supply and fixing in repair 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.

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 completed as per manufactures instructions etc. all as specified and directed.

Material & Labour for moorum 75mm thickness (Spread thickness) rolled and consolidated to gradient complete as specified and directed.

Manufacturing, supplying and fixing in repair 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 complete all as specified and directed.

Material & Labour for 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 direction of Engineer-in-charge.

Material & Labour for preparing bituminous surfaces of road and marking 2.5mm thick centre lines, stop lines, dashes, arrows etc. and the like not exc 10 cm wide on roads pavements with hot applied thermoplastic road marking paint of approved colour confirming to BS 3262-1989 with special applicator machine all as per manufacturers instruction complete all as specified and directed.

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