87637 REPAIRS AND RESURFACING OF ROADS AT OPS AREA, WTS AND PERIMETER AT ARAKKONAM

Amount

Repairs to potholes any depth, not exceeding 1 sqm each including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, paths etc., cutting around edges to atleast 25 mm in depth and making good by filling in screened and graded road metal, watering and well ramming (ncluding supply of road metal), complete all as specified and directed.

Scarifying or picking gravelled macadam or bituminous macadam by power or by hand picking, exceeding 50 mm deep and not exceeding 100 mm deep and area exceeding 400 sqm, complete all as specified and directed.

Material and labour for 150 mm thick WMM (Wet mix macadam), in two layers of 75 mm thick each with coarse aggreagtes of granite, trap or basalt, of specified grading, spread, rolled and consolidated to gradient and camber as required using mechanical paver and rolled to uniform smooth surface using power roller 8 to 12 Tonne complete all as specified in MORTH specificationsas and directed.

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

Material and labour for preparing surfaces of Wet Mix Macadam (WMM) by brushing with wire brushes or mechanical brooms or high pressure air jet for removing caked mud etc..., sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc.,and applying evenly a priming/ tack coat with cationic bitumen emulsion (RS-1) complying with IS 8887 @ 10 Kg/ 10 Sqm all as specified and as directed.

Material and labour for preparing black top surfaces by brushing with wire brushes or mechanical brooms or high pressure air jet for removing caked mud etc.., sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc., and applying evenly a priming / tack coat with cationic bitumen emulsion (RS-1) complying with IS 8887 @ 5 Kg/10 Sqm, complete all as specified and directed.

Material and labour for Bituminous premix semi dense asphaltic concrete (SDAC), 30mm consolidated thickness with 5.5 % binder content of paving bitumen by weight of total mix using VG-30 grade bitumen, rolled and compacted to required camber and gradient complete using mechanical paver and rolled using power roller 8 to 12 tonne capacity complete all as specified and directed. Note : The contractor's quoted rates shall also be deemed to include the following element:- (i) In case of variation in the binder content as per approved design mix in comparison with the binder content as specified above, the variation in qty of binder content on lesser side shall be adjusted through supply only rate of Bitumen VG-30.

Surface dressing not exceeding 15 cm deep, as in berms and getting out in soft/loose soil, complete all as specified and directed.

Material and labour for 75 mm thick (spread thickness) moorum/ red bajri, filling in road berms, spread, rolled and consolidated to gradient and camber as required using 8 to 12 tonne roller, complete all as specified and directed.

Material and labour for applying 2.5 mm thick retro reflective road marking painting of specified shade/ colour etc., either continuous or broken lines, to the required width and length, over the existing painted surface/ new bituminous surface with solvent based road marking paint (Retro reflective paint), brand of paint approved by MORTH, IRTC and AAI including supply of paint material at the rate of 5 Kg per Sqm and glass beads at the of 0.35 Kg per Sqm (Reflective Index 1.5) using semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass bead dispenser, propane tank heater and profile shoe heater driven by experienced operator on road including all materials, labour, T&P and cleaning the road surface of dirt, seals, oil, gease and foreign materials etc., complete all as specified and as directed. (Note : Retro reflective road marking paint paint shall be applied as per manufacturers instructions along with MORTH technology and speciality.)

Supply and fixing in repairs, reflective cats eye with ABS material, body of size 100 mm x 100 mm, with honeycomb patterned base, twin molded shanks and two way retroreflective lenses, fixed with suitable adhesives on roads, complete all as specified and directed. (Make: Series 290C/ 290CE of 3M or equivalent approved by GE)

Removing excavated material to a distance exceeding 250 Mtrs and not exceeding 500 Mtrs and depositing where directed at level not exceeding 1.50 metre above the starting point complete all as specified and as directed.

P.Saravanan

D.KUMAR

P JAGANNADHA RAJU

Shirdi Sai Baba Enterprises

Vijay Builders

D Subramani and Sons