REPAIR TO CERTAIN ROADS AT NABAGRAM MIL STATION UNDER AGE (I) NABAGRAM

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

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area not exceeding 400 sqm, depth exceeding 50mm and not. exc 100mm deep (Scarifying include racking over and grading the broken up surface to the proper camber etc. as required), complete all as specified and directed.

Preparation of unsurfaced Water Bound Macadam (WBM)/ Wet Mix Macadam (WMM) surfaces by brushing with wire brushes for removing caked mud, sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dust or dirt etc. & M&L & applying evenly a prime coat of Cationic Bitumen emulsion SS-1 conforming to IS : 8887 at a rate of application of 0.9 - 1.2 kg/sqm on surface of WMM/WBM as specified in Table 500-3 of MoRTH specification for Road and Bridge Works 2013, using mechanical sprayer after cleaning of existing surface, complete all as specified and directed.

M&L premixed bituminous macadam over primed surface of road using paving bitumen VG-30 & temperature as per table 500-1 & 500-2 of MoRTH & as per IS : 73, laid/rolled by 8 to 10 tonne capacity roller and compacted to required gradient and camber (consolidated thickness 75 mm or less) including preparation of area before laying of Macadam with mechanical paver, binder contents of premixed macadam shall be 4% by weight of total mix (Design Mix), complete all as specified and directed. [Note : (i) Work shall be executed after approval of design mix of bituminous macadam by AGE(I). (ii) Calibration of Hot Mix Plant shall be submitted to Engr-in-Charge for approval. (iii) Payment shall be made to Contractor after submission of approved design mix, bitumen extraction report, Road Roller register & calibration report. (iv) Exact qty of binder to be used shall be ascertained by Design Mix. (v) Minimum 4% binder shall be used. However, in case more than 4% of binder content is required as per design mix, the same shall be provided by the contractor at no extra cost to dept (vi) Course aggregate's physical property as per MoRTH table 500-6 & mixing of all aggregates as per table 500-7 of MoRTH. (vii) Unit rate quoted by bidder shall inclusive testing charges as above & as per MoRTH & no extra claim against testing charges shall be entertained later on.]

M&L Bituminous semi dense asphaltic concrete, 40mm consolidated thickness with minimum 5.5% binder with paving bitumen (VG-30) [Mix Design criteria as per SSR Part-I Clause 20.B.2.11, or as per MoRTH by Marshal method (Ref table 500-12 to 500-16)] coarse aggregate, fine aggregate, filler cement (OPC - 43 Gde) as per recommendation of design by weight of total mix from hot mix plant, rolled by with 8 to 12 tonne vibrating (tandom) road roller to confirm uniform surface and compacted to required camber and gradient including preparing black top surfaces by brushing with wire brushes 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 tack coat of rapid setting cationic bitumen RS1 conforming to IS : 8887 at a rate of application of 0.2-0.3 kg/sqm on bituminous surface as specified in Table 500-5 of MoRTH Specification for Road and Bridge Works 2013, using mechanical sprayer, complete with mechanical paver, complete all as specified and directed. [Note : (i) Work shall be executed after approval of design mix of semi dense asphaltic concrete by AGE(I).(ii) Calibration of Hot Mix Plant shall be submitted to Engr-in-Charge for approval.(iii) Payment shall be made to Contractor after submission of approved design mix, Bitumen Extraction Report, Road Roller Register & Calibration Report.(iv) Exact qty of binder to be used shall be ascertained by Design Mix.(v) Minimum 5.5% binder shall be used. However, in case more than 5.5% of binder content is required as per design mix, the same shall be provided by the contractor at no extra cost to dept.(vi) All testing charges shall include in unit rate quoted by bidder.]

M&L Bituminous semi dense asphaltic concrete, 30mm consolidated thickness with minimum 5.5% binder with paving bitumen (VG-30) [Mix Design criteria as per SSR Part-I Clause 20.B.2.11, or as per MoRTH by Marshal method (Ref table 500-12 to 500-16)] coarse aggregate, fine aggregate, filler cement (OPC - 43 Gde) as per recommendation of design by weight of total mix from hot mix plant, rolled by with 8 to 12 tonne vibrating (tandom) road roller to confirm uniform surface and compacted to required camber and gradient including preparing black top surfaces by brushing with wire brushes 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 tack coat of rapid setting cationic bitumen RS1 conforming to IS : 8887 at a rate of application of 0.2-0.3 kg/sqm on bituminous surface as specified in Table 500-5 of MoRTH Specification for Road and Bridge Works 2013, using mechanical sprayer, complete with mechanical paver, complete all as specified and directed. [Note : (i) Work shall be executed after approval of design mix of semi dense asphaltic concrete by AGE(I).(ii) Calibration of Hot Mix Plant shall be submitted to Engr-in-Charge for approval.(iii) Payment shall be made to Contractor after submission of approved design mix, Bitumen Extraction Report, Road Roller Register & Calibration Report.(iv) Exact qty of binder to be used shall be ascertained by Design Mix.(v) Minimum 5.5% binder shall be used. However, in case more than 5.5% of binder content is required as per design mix, the same shall be provided by the contractor at no extra cost to dept.(vi) All testing charges shall include in unit rate quoted by bidder.]

M&L preparing bituminous surfaces of road by cleaning and preparing the road surface and making good the road marking location and marking / applying 2.5 mm thick white or golden yellow reflective hot thermoplastic road marking paint (Hot application) for centre lines, stop lines, dashes, arrows etc. and the like n. exc 10cm wide on roads pavements confirming to BS 3262-1989 laid down through modern propelled road marking machine with special applicator machine through modern propelled road marking machine in a layer all as per manufacturers instruction and use of all ingredients such as binder, glass beads, titanium dioxide, calcium carbonate, interfiller thermoplastic required for glass beads per sqm by incorporating the white/ yellow beads for reflectivity in 100 mm width, complete all as specified and directed.

S&F & erecting in repairs for outdoor 900mm dia reflective safety traffic convex mirror for road and side walk of high grade stainless steel face, 0.90 mm thick large and uniform radius of curvature for minimum distance distrotation free width-angle panoramic visibility, tightly fitted with a weather resistant heavy duty orange powder coated steel backing shell with and hood orange vinyl extrusion with 75mm clamp brackets for pole mounting including 50mm dia 2mm thick SS pipe 2.4 to 3.0 mtr length top of pipe cover with round decorative type made of SS and including embedding in Plain Cement Concrete M-15 grade 1:2:4 (400x400x650mm) type B1 including disposal of surplus soil as per section 800 of MoRTH specifications, complete all as specified and directed.

S&F in repairs Cat Eyes pavement marker compliant to IRC:67 (latest edition) having two way reflective of minimum size (100 to 110)mm x (100 to 130)mm x (24 to 30) mm with aluminium alloy body with micro prismatic lens type technology with reflective lens to be fixed epoxy resin adhesive after cleaning the surface and reflective panels Amber/Red/White the help adhesive and screws, complete all as specified and directed.

S&F in repairs sparkle Solar Road Studs 100% water protection (IP-68), automatic, unbreakable made out of heavy duty weather proof Aluminium Alloy shell di-cast housing with UV-resistant polycarbonate lens mat finished anti twisted ribs on the bottom anchor of size 125mm x 125mm x 25mm (including shank 65mm) both side reflector, rechargeable Ni-MH (Nickel-Metal Hydride)(1600 mA/ 1.2V to 2.4V, view distance upto 10000 to 18000 mcd (milicandela), bearable weight 10 tonne (approx) with bright LEDs as light source complete with integrated battery, sensor optics and stainless solar cell to ensure enerty saving stand along operations including one steel pipe of 20mm dia and 30mm long and 2 component epoxy (hardener & resin), quartz sand for fixing the road stud surface, complete all as specified and directed.