Road Safety Measures on Various Roads under Digboi and Margherita LAC which meet NH-37, NH 38 and NH-153 for the year 2023 -24 under Digboi and Margherita Territorial Road Division under 966- Road safety works

Amount

Providing and applying tack coat with Bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom. (Including cost of testing of materials at site and laboratory as directed by the deptt.) Vide item no 5.2 of SOR of APWD Roads for the year 2018-19. (b) dry and hungry bituminous surface.

Dense Graded Bituminous Macadam : Providing and laying dense bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5% by weight of total mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no.507. complete in all respect. ( including carriage of mixed materials up to 10.0 km initial lead from mixing plant) ( Including cost of testing of materials at site and laboratory as directed by the deptt.)

Bituminous Concrete: Providing and laying bituminous concrete with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % of mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no.509. complete in all respect. ( including carriage of mixed materials up to 10.0 km initial lead from mixing plant) ( Including cost of testing of materials at site and laboratory as directed by the deptt.)

Direction and place identification sign upto 0.9 sqm size board. Providing and erecting direction and place identification retro-reflectorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 801.3 fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm fixed on an angle iron of 25 X 25 X 4 mm supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawings and sign. (All the steel work must be Tata/Sail/or any other approved brand)

Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes and conforming to the MoSrt&H specifications. vide item no. 8.13 of SOR of Roads for 2018-19.

Providing reflective pavement marker with Micro prismatic lens in both direction having thermoplastic body adhering to the specification and guidelines of MoSRT&H’s fixed to the road surface using the adhesives and the procedures recommended by the manufacturers with three months replacement warranty and free maintenance. vide item no. 8.38 of SOR of Roads for 2018-19.

Retro reflectorised Traffic sign: Providing and erecting of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of high intensity encapsulated lens type reflective sheeting vide Clause 81.3 fixed over aluminium sheeting, 2 mm thick fixed on an angle iron post 25 mm x 25 mm x 4 mm supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing and sign. (All the steel work must be Tata/Sail/or any other approved brand). Vide item no. 8.4 of SOR of Roads for 2018-19. (i) 90 cm equilateral triangle.

(ii) 60 cm circular

(iii) 90 cm high octagon

Providing metal tubular delineator (50 mm dia and 1.25 mm thick) with 15 cm reflector made of heigh intensity grade retro reflectorised sheeting around the pipe at top covered with wire mesh of 20 cm length with two nos. of similar reflective bands and bottom fastener M. S angle including firmly fixing the delineator to the ground by means of CC (M-15) foundation of size (25 cm x 25 cm x 25 cm). 25 cm below ground to the true line and level as directed by the deptt. With six months replacement warranty and free maintenance. (b) 750 mm height

M/S Infraspread Service

Kirti Kamal Baruah

Mrinal Jyoti das