01-AEO/SMP/Repairing of Bituminous road from Saptiguri PMGSY to Dakugach

Scarifying Existing Bituminous Surface to a depth of 50 mm by Mechanical Means Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material within all lifts and lead upto 1000 metres (Reference to MoRT&H's specification clause 305.4.3).

Construction of Subgrade and Earthen Shoulders Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2 (Reference to MoRT&H's specification clause 305).

Excavation in Soil using Hydraulic Excavator CK 90 and Tippers with Disposal upto 1000 metres. Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m (Reference to MoRT&H's specification clause 301)

Construction of Subgrade and Earthen Shoulders cum 212.70 Construction of sub-grade and earthen shoulders with approved material obtained fromborrow pits with all lifts & leads, transporting to site, spreading, grading to required slope andcompacted tomeet requirement of table No. 300-2 (Reference to MoRT&H's specification clause 305).(With River Bed Materials)

Water Bound Macadam Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniformthickness, hand packing, rollingwith3wheeledsteel/ vibratory roller 8-10 tonnes in stages topropergradeandcamber,applying and brooming requisite type of screening/bindingMaterials tofillup the interstices of coarse aggregate, watering and compacting to the required density (Reference to MoRT&H's specification 404). 9A (ii)Grading-2 (Table 400-9) 9A (ii)(b)Using Screening (Table 400-10) Type-B (11.2 mm aggregate)

Providing and applying primer coat with cationic bitumen emulsion SS1 grade conforming to IS:8887 on prepared porous granular surface including clearing of road surface and spraying primer using mechanical means (Reference to MORT&H's specification clause 502). i) On WMM/WBM surface @ 0.90kg /sqm. Using cationic SS-1

Providing and applying tack coat with Cationic bitumen emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). i) On bituminous surface @ 0.25kg /sqm Using cationic RS-1

pen - Graded Premix Surfacing Providing, laying and rolling of open-gradedpremix surfacingof 20mmthicknesscomposedof13.2 mmto 5.6mmaggregates either using viscosity grade bitumen of approved grade to required line, gradeandlevel toserveaswearing course on a previously prepared base, includingmixinginasuitable plant, laying and rolling with a smoothwheeled tandemor other approved type roller 8-10 tonne capacity, finishedtorequiredlevel andgrades(ReferencetoMORT&H's specification clause 510).10(i) Case-I:Mechanicalmethodusing approvedgrade BitumenandHMP of appropriate capacity not less than 75 tonnes/hour .

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using. Type A and B seal coats (Reference to MORT&H's specification clause 511)12(ii)Case - II : Type B providing and laying of premixs and seal coat withHMPusingapproved crushed stone chipping and viscosity grade paving bitumen of suitable approved grade.

Providing & fixing Concrete Sign Board as per IRC specification of size 900 x 750 x 37 mm. thick made with RCC 1:1½:3 with pakur variety stone chips reinforced with double layer IRC febric (75 x 75 mm. mesh) and fixed with necessary nuts & bolts on two RC precast posts 100 mm. x 150 mm. of height 2.65 m. of which top 750 mm. is of section 100 x 13 mm. and 1.90 metre above GL & 0.75 metre below GL including digging hole, repacking the same with cement concrete 1:3:6 with jhama khoa or with local stone chips etc. complete including painting two coats on both faces lettering sign marks etc. as per direction of the Engineer-in-Charge. (The rate is inclusive of cost of reinforcement, concrete, shuttering, nuts & bolts, washer etc. complete.