REPAIRS TO POTHOLES, RE-CARPETING OF ROAD AND REPLACEMENT OF FURNITURE IN CERTAIN PLACES AT AIR FORCE STATION TEZPUR UNDER GE AF TEZPUR

Amount

SCHEDULE 'A' PART-I (B/R PORTION)

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area not exceeding 400 sqm and depth exceeding 50 mm but not exceeding 100 mm, complete all as specified and as directed.

Screening road materials, chippings etc on the site of work where specifically ordered including removing screened materials clear of screen and stacking in separate heaps for measuring complete all as directed. Note: Materials from both side of screen shall be measured.

M&L for 7.5 cm thick (compacted thickness) WBM, with coarse aggregates of grading 2 (63 to 40 mm size) or of grading 3 (50 to 20 mm size), spread, rolled and consolidated to required gradient and camber with 8 to 10 tonne power roller complete all as specified and directed.

All as per serial item No. 03 above but using old serviceable coarse aggregates.

M&L for preparing un surfaced WBM surface by brushing with wire bruses and removing caked mud etc. sweeping with brooms and finally fanning the cleaned surface with mechanical blower to remove all loose dirt and applying evenly a tack coat using paving bitumen VG-30 @ 10 kg per 10 sqm complete all as specified and directed.

M&L for premix bituminous, macadam laid/ rolled and compacted to required gradient and camber using 8 to 10 tonne power roller consolidated to average thickness 75 mm or less using binder content bitumen of grade VG-30 @ 4% by weight of total mix all as specified and as directed. Note:-(i) Any variation in binder content on minus side shall be adjusted @ of Rs 50.00 per kg of binder. No adjustment in price shall be made if the variation is on plus side. (ii) The bituminious mix shall be prepared in hot mix plant and transported to the site in clean vehicle and shall be laid by means of a self-propelled mechanical paver finisher with electronic sensor and hydraulic controls all as directed.

M&L for repair to potholes of 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 using paving bitumen of grade VG- 30, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg per 10 sqm using paving bitumen of grade VG- 30, 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 rolled and compacted with 8-10 ton power roller complete all as specified and as directed.

M&L for preparing existing black top surfaces by brushing with wire bruses for removing caked mud etc. sweeping with brooms and finally fanning the cleaned surface with mechanical blower to remove all loose dirt and applying evenly a tack coat using paving bitumen VG-30 @ 5 kg per 10 sqm over existing black top surfaces complete all as specified and directed.

M&L for laying bituminous premixed semi dense asphaltic concrete 40 mm consolidated thicknes using 5.5% paving bitumen content (VG-30) and minimum 2% cement as filler by weight of total weight of mix, using hot mix plant and laid with self propelled mechanical paver fixed with electronic sensor and hydraulic controls, rolled and compacted with 8 to 10 tonne power roller to uniform surfaces with required gradient and camber complete all as specified and directed. Note: - Semi Dense asphaltic bituminous concrete shall be designed as specified and binder content shall be provided as per design mix. The contractor shall quote his unit rate considering the bitumen content as 5.5%. Any variation in binder content on minus side shall be adjusted at the rate of Rs.50.00 per kg of binder. No adjustment in price shall be made if the variation is on plus side.

Matrial and labour for providing and applying 2.5 mm thick road marking strips (retroreflective) of specified shade/colour using hot thermoplastic material by fully/semiautomatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour , T&P, cleaning the road suface of all mud and dirt, seals , oil, grease and foreign material etc for lines, arrows, letters etc, width or girth not exceeding 100 mm complete all as directed.

Supply and fixing in repairs cat eye glow studs of size 100 x 100 x 18.5/20 mm made of heavy body confirming to IRC-67-1977 of moulded ASA (acrylic styrene acryloretrite) or HIP (high impact polystryne) or ABS having electronically welded micro-prismatic lens with abrasion resistant coating as approved by GE. The cats eye shall support a load of 25 tonne and impact strength shall be about 253 KN and shall be tested in accordance with ASTM D4280. The slope of retro-reflective surface shall be 35+ 5 degrees to base. The reflective panels on both sides wth at least 12 cm of reflective area of each side. The studs shall be fixed to the road surface using the adhhesive conforming to IS, as per manufacturers recommendation complete all as directed. Make : DARK EYE, Model : DA 978 / OSCAR, Model : OS 776 .

Supply and fixing in repairs post delineator made of ABS body fitted with 02 Nos 100 mm dia highly reflective acrylic/ PMMA reflectors and mounted on mild steel pipe or minimum 50 mm dia duly powder coated, anti rust and anti theft steel net inculding necessary fixing arrangment, eathwork , concrete block etc complete all as directed. MAKE:DARK EYE Model : DA 952 GP / OSCAR, Model No: OS797

Supply and fix in repair yellow or black readymade ABS plastic speed breaker/bump of size 750 mm long, 250 mm width and 75 mm height with two highly reflective reflectors moulded in PMMA materials are welded with ABS plate through ultrasonic welding process, including concrete filling and fixed with epoxy adhersive sealing compund and bolts as per manufactures instructions complete all as directed. MAKE: DARK EYE /3M /Greenlite/Trafitronics/Automal

Demolition of plain cement concrete unreinforced of any description and in position not otherwise specifically provided complete all as directed.

Material and labour for cement concrete work in pavement /hardstanding of flextural strenght 40 kg/square centimetre in field using 400 kg of cement per cubic metre, thickness of concrete 25 cm or less, complete all as specified and as directed.

Demolition of plain cement concrete (Un-reinforced) in ground floors and paving next 15cm thickness (below or above ground level) including removal of spoils/ demolished materials not exceeding 50m and depositing complete all as specified and directed.

M&L for 75 mm thick plain cement concrete (1:4:8) type D2 using 40mm graded crushed stone aggregate as in sub base complete all as specified and directed.

M&L for pre-cast concrete machine pressed interlocking pavers block 60 mm thick, M-35 grade glossy cloured confiming to IS-15658 - 2006 of suitable size and pattern of including and over 50 mm thick sand cushioning complete all as directed. Make:Ecco Scope / Mehtab Tiles / Anjali tiles / Ultra TilesPvt ltd / Terra Firma

Material and labour for continuous birck edging with width equal to the width of bick, laid dry on end vertically with old size sub class 'B' bricks including demolishing the old existing bricks complete all as specified and as directed.

M/S K.K.TRADERS