SPECIAL REPAIRS TO ROADS AT 2CBPO AND DAKSHINESWAR UNDER GE NORTH KOLKATA

Amount

M&L for repair to potholes any depth, not exc 01 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 with bituminous primer at 5Kg per10 Sqm putting in premix bituminus macadam well rammed as specified for thin bituminus carpet (3 cm thick) well rammed and sealed with premixed sand seal coat (6.80 Kg of binder with 0.06 cum of sand), again rolled power roller 10 to 12 ton capacity, depth of pote holes n.exc 30mm all as specified).

Scarifying or picking up graveled macadam or bituminous macadam surfaces in area exc 400 sqm and depth exceeding 50mm but not exc 100mm deep and removing to a distance n.exc. 50 mtrs and all as directed.

M&L for 75mm thick (compacted thickness) water bound macadam (Each layer 75 mm compacted thickness) with coarse aggregate of grading 2 (63 to 40 mm size) or grading 3(50 to 20mm size) using aggregate of granite, trap or basalt, spread, rolled with 10 to 12 ton power road roller and consolidated to gradient and camber required all as specified and directed.

M&L for 75mm thick (compacted thickness) water bound macadam (Each layer 75 mm compacted thickness) with coarse aggregate of grading 2 (63 to 40 mm size) or grading 3(50 to 20mm size) using aggregate of granite, trap or basalt, spread, rolled with 10 to 12 ton power road roller and consolidated to gradient and camber required all as specified and directed. (Note :- Materials to be used obtained from item No. 2, here in before)

M&L for Premixed bituminous macadam (consolidated thickness 75mm, using binder contents 4% by weight of total mix, over primed surfaces of road using paving bitumen (grade VG-30), any penetration, laid/rolled and compacted with 10 to 12 ton power roller to required camber and gradient over tack coat complete all as specified in SSR 2009 (Part-I) and as directed (Note : (i) The work shall be carried out by using mechanical paver and rolled with power road roller (ii) Tack coat shall be measured and paid seperately under appropriate item.)

M&L for preparing WBM 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. over the surfaces and applying paving bitumen 10 Kg/ 10 Sqm evenly a prime coat with bituminous primer of VG-30 complete and all as directed

M&L for preparing of old 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 on Black top surfaces with gunny bags to remove all loose dirt etc on black top surfaces and applying paving bitumen evenly a tack coat with bituminous primer VG-30 @ 5 Kg per 10 Sqm complete all as specified.

M&L for bituminous premixed carpet, 03 cm thick (consolidated thickness) with 0.41 cum of stone chippings mixed with 21.90 Kg of paving bitumen (VG-30 grade) and including premixed sand seal coat with 0.06 cum of sand mixed with 6.8 Kg of paving bitumen spread with mechanical paver, rolled and compacted with 10 to 12 ton power roller to required camber and gradient and rolled to uniform smooth surface with the same roller complete all as specified and directed. Note: The work shall be carried out by using mechanical paver and rolled with 10-12 tonne power road roller.

M&L for bituminous premixed carpet, 04 cm thick (consolidated thickness) with 0.54 cum of stone chippings mixed with 29.20 Kg of paving bitumen (VG-30 grade) and including premixed sand seal coat with 0.06 cum of sand mixed with 6.8 Kg of paving bitumen spread with mechanical paver, rolled and compacted with 10 to 12 ton power roller to required camber and gradient and rolled to uniform smooth surface with the same roller complete all as specified and directed. Note: The work shall be carried out by using mechanical paver and rolled with 10-12 tonne power road roller.

M&L for providing and applying 2.5mm thick road marking strips (Retro-reflective) of specified shade/colour using hot thermoplastic material by fully automatic 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 cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in-Charge and accordance with manufacturers specifications.

S&F modified ABS plastic (Reflection panel Acrylic plastic) Road stud (RPM) Micro prismatic (two way) of size (100x88x15) mm fixed with cement nails and washer as per manufacturer's instructions. Make: 3M / TATA BP SOLAR/SHAKTI/DARKEYE.

R K CONSTRUCTION

G D S ENTERPRISE

M/S Manna Construction

S.P. SINGHA