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Repairs And Safety Item Of Black Spot (As Per Safety Audit) In Existing Road Under Division Raigarh-Excavation in Soil (by Mechanical Means.) Excavation for roadway in soil using mechanical means including loading in tipper for carrying of cut earth to embankment site and unloading with all leads & lifts as per relevant clauses of section 300. Granular Sub-base as per Table:- 400-1 Construction of granular sub-base by providing graded Material, , carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface watering, rolling and compacting with vibratory power roller at OMC to achieve the desired density, complete as per clause 401 A Plant mix method (with Mechanically crushed stone only) (b)For Sub-base cum drainage layer or upper sub-base withGrading-V Material Providing and laying cement concrete for plain concrete/ reinforced concrete i/c form work, shuttering complete in as per drawings and specifications.( For Village roads) (i)P.C.C. M-10 Providing and laying un-reninforced cement concrete without Drmwork and expansion construction & logitudinal joint as per design and as per IRC -62-2014 over a preppared base a pre approved mix design and finishing to lines and grade as per drawing for pavment thickness less then 200mm in low Volume road With Cement concrete grade M-30 and minimum cement content @ 375 kg/cum. Construction of Shoulders Construction of shoulders with selected soil from borrow pits / borrow areas having CBR not less than 12 and shall have L.L. and P.I. not more than 25% and 6% respectively, inclusive of all leads and lifts, including clearing and scrapping of existing surface, providing required cross fall, compacting, watering, rolling etc. complete as per clause 408. B With Smooth wheeled roller Providing & Fixing Delineator made of M.S. Hollow Rectangular Pipe (Conforming to IS: 4923) of cross section 96mmx 48mm of 1.20 meter length. The top of the hollow pipe, welded and closed with 16 gauge M.S. Sheet. The height of the Delineator above ground level should be between 0.8 meter and 1.0 meter. The bottom of the delineator should be provided with holdfast of length 15cm on each side. Delineator should be painted with coat of Zinc Chromate stoving Prime and two coats of Black Stove Enamel (Oven Baked) paint with 3nos. 15 cm bands of white Retro-reflective Sheeting of Engineering Grade pasted around the pipe and 2 Nos. High intensity Grade Retro-reflective Sheeting of size 8 cm x 10cm pasted on the top of each side of Delineator and treated With HLVA & fixing the same in M-15 grade concrete block of size 30x30x30cms including transportation etc. complete. The construction and placement of the delineator must be as per IRC: 79. Providing & Fixing tree studs in Square/ Round shape of 4” side/diameter made of Grade-C retro-reflective sheeting of Type-XI fixed on 2 mm aluminum sheeting (Confirming to IS:736-Material Designation 24345 or 1900) as specified in section 801.3 of MORT&H and fixing the same with four Nos. high strength nails confirming to IS: 1367 on trees at site each. Retro- reflectrorized Traffic signs as per Clause 801 Providing and fixing of retro- reflectrorized cautionary, mandatory and informatory sign digitally printed over reflectrorized sheeting of required grade confirming to ASTM D 4956 including covering with transparent sheeting (lamination sheeting) to protect from fading and damage due to wheather effect as perClause 6 of IRC:67-2022 made of retro-reflective type sheeting fixed over Aluminum/ Aluminium Composite Material (ACM) sheeting including application of fluorocarbon coating applied on exposed surface of aluminium to ensure corrosion resistance, supported on a mild steel back frame of ISA 40 x 40 x 5 mm and mild steel angle iron post 75 mm x75 mm x 6mm firmly fixed to the ground by means of properly designed foundation with Ml5 grade cement concrete 45 cm x 45cm x 60cm, as per approved drawing and painting all exposed components of the signs and supports with primer and 2 coats of epoxy paints or powder coating and the part of post Made of Class-B High Intensity Micro Prismatic Grade Sheeting of Type IV confirming to Table 6.6 of IRC:67-2022 (for MDR) (a) With Aluminium Sheeting if 2.00 mm Thickness. (i)900 mm Equilateral tringle 800*600 mm rectangular With Aluminium Sheeting if 1.5 mm Thickness. (ii)600 mm circular Direction and Place Identification signs upto 0.9 sqm size board.(Providing and erecting direction and place identification retro-reflectorized sign as per IRC:67-2012 made of Micro prismatic grade type reflective sheeting vide clause 801.3, fixed over aluminum sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 x 45 x 6cm, 60cm below ground level as per approved drawing) B Made of Class B High Intensity Micro Prismatic Grade Sheeting of Type IV (For MDR) Painting Lines, Dashes, Arrows etc on Roads in Two Coats on New Work (Painting lines, dashes, arrows etc on roads in two coats on new work with ready mixed road marking paint conforming to IS:164 on bituminous surface, including cleaning the surface of all dirt, dust and other foreign matter, demarcation at site and traffic control ) (ii) Up to 10 cm in width Road Marking with Hot Applied Thermoplastic Compound with Reflectorizing Glass Beads on Bituminous Surface (Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorizing glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35-1997. The finished surface to be level, uniform and free from streaks and holes.) Metal Beam Crash Barrier Type - A, "W" : Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanized by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 811.3) Type - B, "THRIE" : Metal Beam Crash Barrier (Providing and erecting a "Thrie" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 85 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 2 m high with 1.15 m below ground level, all steel parts and fitments to be galvanized by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a space of channel section 150 x 75 x 5 mm, 546 mm long complete as per clause 811.3)
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