SPECIAL REPAIRS ROAD FROM HQ INF DIV MAIN GATE TO FD WKSP ENTRANCE GATE UNDER GE PANAGARH

Scarifying or picking gravelled macadam or bituminous macadam surfaces in area exc 400 sqm and depth exc 50 mm but not exceeding 100 mm deep (Scarifying include over and grading the broken up surface to the proper camber etc. as required) & rolling & consolidating of existing broken boulder or quarried stone with power roller exceeding 8.00 tonne & not exceeding 12.00 tonne capacity to required gradient and camber, complete all as specified and directed.

M&L, laying and compacting total 150mm compacted thickness (laid in two layers of 75mm thick each) Wet Mix Macadam (WMM) grading as per table 400-12 & 400-13 of MoRTH specifications for Road and Bridge Works 2013 manufactured in WMM plant, material comprising of clean, crushed, graded aggregate and granular material premixed with water to a dense mass, spreading with sensor paver and rolling with vibratory roller of capacity 8 to 12 tonne static weight till the density acheived at least 98% of the maximum dry density for the materialsa as as determined by the method outlined in IS : 2720 (Part-8) and consolidating to required gradient and camber, complete all as specified and directed. [Note : (i) The finished surface tolerances to be as per Table 900-1 of MoRTH specifications for Road and Bridge Works 2013. (ii) Raw materials for work shall exclusively prepared for laying by latest calibrated WMM Plant. Valid Calibration Certificate of WMM Plant to be submitted to Engr-in-Charge before execution of work. No manual mixing of coarse aggregate are allowed. (iii) Lorry no & qty brought at site of WMM materials shall be entered in MB as "Not to be abstracted" before execution of work. (iv) Approved certificate of mixing properties of qty of WMM materials, Calibration Certificate of WMM Plant shall be obtained from GE before execution of work. (v) 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.]

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 0.7 - 1.0 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 GE. (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, applying 25mm thick mastic asphalt consisting of an intermate homogeneous mixture of mineral filler, well graded fine and coarse aggregate, industrial grade bitumen meeting the requirement given in table 500-39 of MoRTH, coarse, fine, filler aggregates shall be as per MoRTH table 500-06, 500-40, 500-41 & prepared by using Mastic cooker, as mentioned in SSR Part-I/ MoRTH specification, quantity of bitumen in the range of 14% to 17% of total mix (without coarse aggregate) as indicated in Table : 500-42 of MoRTH cooked at 170 degree to 210 degree centigrade laid hot in temperature 175 degree to 210 degree centigrade trowelled and floated by means of wooden float laid, bitumen mastic after spreading and while still hot in plastic condition shall spread over with bituminous precoated hard fine aggregate of size 9.5mm or 13.5mm @ 0.005 Cum per 10 Sqm and at an approximate spacing of 10cm centre to centre in both direction, poured into surface when the temperature of surface is not less than 100° C, protruding 3mm to 4mm over mastic surfaces as per clause 515 of MoRTH , mixed with 0.17 Kg per 10 Sqm of bitumen of VG-30 meeting the requirement of IS for anti skidding including all material, labour, tools and plants and over & including a tack coat of cationic emulsion RS-1 conforming to IS:8887 at the rate of application of 0.2 to 0.3 Kg/ Sqm on bituminous surface ensuring the surface is clear & free from loose materials as specified in Table 500-5 of MoRTH specification for road and bridge works 2013, using mechanical sprayer over prepared base as per Design Mix of IRC-107-2013 after cleaning of existing surface complete all as specified and directed.

Item No. 5.00 Contd.... [Note : (i) Work shall be executed after approval of design mix of mastic asphalt by GE. (ii) Calibration of Mastic 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 & calibration report. (iv) Exact qty of binder to be used shall be ascertained by Design Mix. (v) Unit rate quoted by bidder shall inclusive of testing charges as indicated above & as per MoRTH.]

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 in repairs metal retro-reflective Tubular Delineator made out of ABS round body fitted with 2 Nos 65 mm dia highly reflective reflectors made out of PMMA and mounted on 45/50 mm dia mild steel pipe/ post of 1010 mm height duly powder coated (minimum 40 micron) and thermo plastic elastomer 3 bands of green, red and yellow reflector radium tape of 25 mm wide strips with anti theft steel net for reflector protection including supply and providing of embedding in Plain Cement Concrete 1:2:4 (150 x 150 x 300mm) type B1, complete all as specified and directed. [Note : Delineators shall be made from Class-C full cube corner, micro-prismetic, non metallic, retro-reflective sheets, should meet the reflective value requirement of type XI sheeting specifications as per IRC-67 & meeting the Co-efficient of retro-reflection values as per ASTMD 4956 table specification.]

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, luminous intensity of 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.

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.