SPECIAL REPAIRS TO INTERNAL ROAD OF MRC AT WELLINGTON UNDER GE WELLINGTON

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

M & L for Repair to pot holes 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 25mm in depth, making good by applying tack coat @ 5 Kg per 10 Sqm using bitumenous cold emulsion rapaid setting Grade-1 (RS-1) and putting in pre mixed bituminous mecadam using paving bitumen of grade VG-30, well rammed and sealed with binder 9.8 Kg per 10 Sqm binded with 0.09 cum of stone chippings, 6.3 mm size and again well rammed (including supply of pre mixed mecadam binder and chippings) depth of potholes exc 30 mm complete all as specified and directed.

M & L for 7.5 cm thick (compacted thickness) WBM, with coarse aggregate of grading 2 (63 to 40mm size) or of grading 3 (50 to 20mm size) with granite, trap or basalt, spread, rolled and consolidated to gradient and camber required with 8 to 12 tonne power roller complete all as specified and as directed.

Preparing un-surfaced WBM surfaces by brushing with wire brush for removing caked/mud etc. sweeping with broom and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc. and applying evenly a priming/tack coat with bituminous cold emulsion Slow setting Grade-1 (SS-1) @ 10 Kg per 10 Sqm complete all as specified and directed.

M & L for Premix bituminous macadam with binder content 4% by weight of total mix using paving bitumen of grade VG-30,, laid/rolled and compacted to required gradient and camber (consolidated thickness 75mm or less), with mechanical paver, rolled and compacted to required camber and gradient with 8 to 12 tonne power roller complete all as specified and directed. (Note: The rates are worked out on the basis of binder content of 4% by weight of total mix. No extra payment shall be made for any additional requirement of binder content)

Preparing existing black top surfaces by brushing with wire brush for removing caked/mud etc. sweeping with broom and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc. and applying evenly a priming/tack coat using bitumenous cold emulsion rapid setting grade-1 (RS-1) @ 3.5 Kg per 10 Sqm complete all as specified and directed.

Preparing existing black top surfaces by brushing with wire brush for removing caked/mud etc. sweeping with broom and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc. and applying evenly a priming/tack coat using bitumenous cold emulsion rapid setting grade-1 (RS-1) @ 5 Kg per 10 Sqm complete all as specified and directed.

M & L for bituminous premixed semi dense asphaltic concrete, 40 mm consolidated thickness using paving bitumen of Grade VG-30 with 5.5% binder content by weight of total mix using hot mix plant and laid by using mechanical paver, rolled and compacted, finished including rolling to required gradient and camber with 8 to 12 tonne power roller to required compaction complete all as specified and directed. (Note: The minimum binder content shall be of 5.5% by weight of total mix. However, additional requirement of binder content after mix design (if any), the same shall be provided by the contractor without any extra cost to the Govt.)

Material and labour for Applying 2 mm thick road marking paint with reflective thermoplastic white road marking paint confirming to BS-3262 (1989), either continuous or broken lines over existing or new painting surfaces of cement or bituminous surfaces (continuous lines, centre lines, dashes, stop lines, arrows etc), n.exc 10 cm width laid down through road marking machine using thermo plastic material by incorporating the white glass powder for reflectivity in white or golden yellow colour by using applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, including cleaning the road surface of all dirt, seals, oil grease and foreign material etc complete as direction of Engr-in-Charge and in accordance with applicable specification complete all as specified and as directed.

S & F in repairs 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 and as directed by the Engineer-in-Charge.