CWE KOTA/KOTA-72 OF 2019-20 SPECIAL REPAIR OF CERTAIN ROADS IN NORTHERN SECTOR AT MIL STN KOTA

Amount

Excavating over areas not exceeding 1.50m depth for foundation etc and getting out soft/loose soil complete all as specified and directed.

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area not exc 400 sqm and exc 50 mm but n.exc 100 mm deep and removing to a distance not exceeding 50m and stacking complete all as specified and directed.

M&L for hard core of broken stone or boulders of gauge n.exc 63 mm, deposited, spread & levelled in layers n.exc 15 cm thick watered & rammed to true surface complete all as specified and directed.

M&L 75 mm thick EXCEPT MATERIAL compacted thickness WBM with coarse aggregate of grading 2 (63 to 40 mm size) of sand stone, flint or quartzite spread rolled and consolidated to gradient and camber required using power roller exc 8 tonne but n.exc 12 tonne capacity complete all as specified and directed. NOTE:- (Re-use the old coase aggregate obtain from srl item No. 2 above).

M&L 75 mm thick compacted thickness WBM with coarse aggregate of grading 2 (63 to 40 mm size) of sand stone, flint or quartzite spread rolled and consolidated to gradient and camber required using power roller exc 8 tonne but n.exc 12 tonne capacity complete all as specified and directed.

M & L for 100mm thick PCC (1:4:8) type D-2 using 40mm graded stone aggregate as in sub base, complete all as specified and directed.

M&L for 80mm thick precast coloured glazed interlocking paving blocks factory casted using grey cement with pigment, machine pressed confirming to IS-15658-2006 and of shape haxagon/ triangular/ zigzag/ I-shaped etc. as directed having compressive strength not less than 350 Kg/ Sqcm laid over and including 25 to 30mm thick layer of sand cushioning including filling the interstices with & including sand complete all as specified and directed.

M&L for precast (factory casted) cement concrete kerb stone casted in PCC (1:2:4) type B1 using 20mm graded stone aggregate with plan or interlocking joints (as directed), making groove in ground of desired dimension, placing in erect position Kerb stone in edging and set and jointed in cement mortar 1:4, making good disturbed surface of ground complete all as specified and directed .

M & L for preparing unsurfaced water bound macadam 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 dirt etc and applying evenly a priming/tack coat of paving bitumen VG-30 @ 10 kg per 10 sqm and laying semi dense asphaltic concrete (Design mix) 40mm consolidated thickness with binder content @ 5.5% by weight of total mix with paver finisher, rolled and consolidated with power roller exc 8 tonne but not exc 12 tonne capacity to required camber and gradient complete all as specified and directed.

M & L for preparing existing 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 and applying evenly a priming/tack coat of paving bitumen VG-30 @ 5 kg per 10 Sqm and laying semi dense asphaltic concrete (Design mix) 30mm consolidated thickness with binder content @ 5.5 % by weight of total mix with paver finisher, rolled and consolidated with power roller exc 8 tonne but not exc 12 tonne capacity to required camber and gradient complete all as specified and directed.

M&L for repair to pot holes of depth exc 30 mm, n.exc 1 sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in roads, paths, etc, cutting arounds edges to at least 25 mm in depth, making good by applying tack coat of paving bitumen @ 5 kg per 10 sqm putting premixed bituminous macadam, well rammed and sealed with binder (paving bitumen) 9.8 kg per 10 sqm, blinded with 0.09 cum of stone chippings, 6.3 mm size and again well rammed (including supply of premixed macadam, binder and chippings) complete all as specified and directed.

M & L for cleaning and preparing road surfaces and applying reflective thermo plastic white or golden yellow road marking paint conforming to BIS-3262, laid down through road marking machine in a layer of CRYSTALEX and use of 5 Kg material per square meter for lines, dashes, arrows, Zebra marking etc by incorporating the white glass beads for reflectivity in required width all as specified and directed.

S & F in replacement ABS Engineering plastic stud (Cat Eye) dynamically designed having high impact strength and fitted with 2 Nos. highly reflective reflectors on both sides including fixing arrangements as per manufacturer's instructions and as directed. Model/Make : Cat Part No. - Art AME-1019 OF Make M/S Automat Road safety Pvt. Ltd or equivalent model of Make; M/S MB Engineering corporation/ DARK EYE / M/S Texla Plastic & Metals Pvt Ltd./ M/S Sun Eyez.

S & F in repairs delinetors made of ABS guide post, fitted with two Nos 100mm dia high reflective reflectors and two rectangular reflectors of 70mmx23mm on both sides of guide post fixed on a GI pipe (duly power coated) embedded in PCC (1:2:4) type B-1 using 20mm graded stone aggregate (size of block 30cmx30cm) with necessary earthwork complete all as directed. Make : Model No DA-74 of Dark Eye or equivalent of Gogia Plastics/Sun Eyez,"

S AND A ENGINEERS CONSTRUCTION CO