|
Tender For Special Repair Roads Joining From Rp Gate To Bldg No P-75 Of C Inf Bn And Armed Bde Wksp At Bikaner Mil Stn; 1 M&L for repairs to pot holes, not exc 1 square metre each, including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, cutting around edges to at least 25 mm in depth, on existing road surfaces, and making good applying evenly a tack coat of paving bitumen of grade VG-10 at the rate of 05 Kg per 10 Sqm, putting in premixed bituminous concrete with crushed and graded stone aggregate mixed together with 5.5% of paving bitumen of grade VG-30 by weight of total mix, well rammed and sealed with binder 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 chipping, depth of pot holes exc 30mm, complete all as specified and as directed.Note :Job mix formula of premix bituminous macadam shall be approved by CWE. 2 M&L for preparing black top bituminous surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surfaces with air compressor through air jet to remove all loose dirt etc and applying evenly a premix/tack coat of paving bitumen grade VG-10 at the rate of 05 Kg per 10 Sqm of road surface by sprayer operated on hot pressure mechanism, Providing and laying spreading 30mm thick (consolidated thickness) of Premix Bituminous Concrete with crushed aggregates of grading 2 as per design based on Job mix formula with 5.5% bitumen binder content(bitumen of Grade VG-30) by weight of total mix including heating bitumen to the required temperature, mixing bituminous concrete in automatic and temperature controlled hot mixing with electronic operated 100-120 TPH batch type hot mix plant, transporting the hot mix from HMP to work at site by tippers and laying, spreading uniformly by means of hydrostatic paver finisher and rolling and consolidating to the required gradient and camber with 8 to 12 tonne smooth wheeled, vibratory and tandem roller, complete all as per Clause 507 MORTH (5th Rev) specification and as specified and directed.Notes :(i) Paving bitumen of Grade VG-10 for premix/tack coat and bitumen of Grade VG-30 for Bituminous Concrete shall be used and procured by the contractor under his own arrangement and at his own cost. (ii) Cost of all the materials, T&P, labour etc. required for preparation of surfaces, applying tack coat, providing and laying bituminous concrete including procurement of bitumen as specified here-in-before, stone aggregates & sand, cement etc., rolling and all other elements required for entire completion of the job shall be deemed to be included in the unit rate quoted for this item. 3 Description of serial item No. 2.00 contd…) (iii) Computerised print out of data of bituminous concrete in automatic and temperature controlled hot mixing plant shall be provided to the GE by contractor. (iv) The contractor shall quotes the rate against item considering 5.5% VG-30 bitumen content. Job Mix Formula as per CIause No. 505.3.3 of MORTH (5th Rev) for BC shall be worked out from MNIT Jaipur/ MBM Jodhpur/ Govt approved Engineering College/ CTL for obtaining Optimum Binder Content (OBC) by the Contractor without any financial effect to the Department and the same be submitted to the Accepting Officer for approval. Any variation in binder content on Minus side shall be adjusted @ Rs 50/Kg of binder and no adjustment shall be made on Plus side. (v) After spreading of mix as per clause 507.4.7 entire surface during the operation shall be rolled with road roller 8-10 tonne (smooth wheeled) followed with vibratory road roller of 8-10 tonne static weight, followed by finished rolling with 6 to 8 tonne smooth wheel tendom roller as per Clause Nos. 507.4.8 and cost of the same is deemed to be included in quoted unit rate. 4 M&L for Thermo plastic road marking 2.5 mm thick painting (lines, dashes, arrows, letters etc on new or previously treated road surfaces) with road safety spikeries glass beads including preparation of new or previously treated road surfaces and applying paint by using special applicator machine with heating arrangement complete all as specified and as directed. 5 Supply & fixing road cat eye of size 90 x 110 x 17mm, two way reflective, plastic yellow colour body, yellow colour, complete all as specified and as directed.Notes :- (i) Road cat eye shall be of Model “3M 290 Series’ of make‘3M’ or equivalent of make GREENLITE / DARK EYE / TATA BP / Avery Dennison / Alexis / Oscar / DEV / Surya / Sharp Eyez. (ii) Reflector shall be positioned at the best eye guiding level so that drivers shall be warned from a safe distance. 6 M&L for continuous Jodhpur stone slab edging, not less than 20mm thick on top, 20cm to 30cm wide (for depth of edging) and 30cm to 45cm long, laid dry vertically, jointing and pointing in CM 1:6, each stone slab self faced on both the vertical sides, edges slightly true and square on top edge, hammer dressed for the full thickness so that the depression from a straight edge held against the surfaces shall not exceed 20mm between two joints of slab including necessary excavation and embedding stone edging to depth required and tamping ground around stone edging and also includingspreading surplus soil on berms complete all as specified and as directed.Notes:-(i) The stone slabs shall be laid abutting to each other in such a way that thickness of edging is equal to thickness of stone slabs and depth of edging is equal to width of stone slabs. (ii) The stone slabs shall be obtained from “Chitter quarry” at “Jodhpur”.(iii) In case edging is laid on both sides of a road, each side of road shall be measured and paid for separately.
|
