Improvement of Fiangpui road from Fiangpui Tri- junction to Fiangpui higher secondary school with retaining wall and Hume pipe culvert during the year 2021-22.

Amount

Clearing and grubbing of road land including uprooting rank vegetations grass, bushes, shrubs saplings and trees of girth up to 300mm, removal of stumps, of trees cut earlier and disposal of unserviceable materials and staking of serviceable materials to be used auctioned, up to a lead of 1000m including removal and disposal of top organic soil not exceeding 150mm in thickness as per Technical Specification Clause 201.0 i) By manual Means A) In area of non thorny jungle

Dismantling of Structures (Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material,disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 metres) b) Rubble Stone Masonry in Cement Mortar

In Between A-C (Ch:35.00-55.00)

Scarifying Existing Bituminous Surface to a Depth of 150 mm by Mechanical Means Scarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3.0m and lead upto 1000 m as per Technical Specification Clause 301.4.

From B-C From Ch 0.00m to 450.00m

Granular sub-base/base/surface course with local materials (Table 400.13) by mix in place method normal Construction of granular sub-base by providing local material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at once and compacting with smooth wheel roller to achieve the desired density complete as per Clause 401.4 as per Technical Specification Clause 408. ii) Using Gravel mix soil using

From B-C From Ch 0.00m to 450.00m

WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.III Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405.

From B-C From Ch 0.00m to 450.00m

(BITUMINOUS WORK) iii) High porosity Providing and applying primer coat with Bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 1.2-1.5 kg/sqm using mechanical means as per Technical Specification Clause 502.

From B-C From Ch 0.00m to 450.00m

iv) Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion pressure distributor at the rate of 0.30 to 0.35 kg per sqm on the prepared nonbituminous surfaces (cement concrete pavement) cleaned with Hydraulic broom as per Technical Specification Clause 503.

From B-C From Ch 0.00m to 450.00m

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508. Case - I: By Manual Means i) Bitumen (S-90)

From B-C From Ch 0.00m to 450.00m

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 (A) By Manual Means Case - I : Type A i) Bitumen (S-90)

From B-C From Ch 0.00m to 450.00m

Excavation for Structures Earthwork in excavation for foundation of structures upto 3 m depth as per drawing and technical specification Clause 1104 includding setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.

For Culvert at Ch 30.00 to Ch 55.00

Bedding of pipe (A) Type A (Concrete Cradle) Bedding i) Laying concrete cradle bedding with M15 Grade Cement Concrete as per Clause 1105 (i)

For Culvert at Ch 30.00 to Ch 55.00

(B) Type B (First Class) Bedding Laying (First Class) bedding on well compacted sand, moorum as per Clause 1105 (ii)

For Culvert at Ch 30.00 to Ch 55.00

CROSS DRAINAGE Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106.

1000 mm dia at Ch. Ch.35.00 from A-D

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface 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

ROAD FURNITURE A. Retro-reflectorsed Traffic Sign 1) Providing and fixing of retro-reflectorised cautionary, mandatary and informatory sign as per IRC:67 made of encapsulated lens type reflectve sheeting vide Clause 1701.2.3 fix over aluminium sheeting, 1.5 mm thick supported on a mild steel angle ............ Technical Specification Clause 801.

ii 600mm equilateral triangle

iv 800mm x 600mm rectangular

Road Markers/Road Stud with Lens Reflector Providing and fixing of road stud 100 x 100 mm die cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lense reflectors, installed in concrete or asphaltic surface by drilling holes 30 mm upto a depth of 600 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BS:873 (Part 4) 1973.

RETAINING WALL

Earthwork in excavation for foundation of structures upto 3 m depth as per drawing and technical specification Clause 1104 includding setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.

(PCC M10 grade) :Plain cement concrete nominal mix crushed stone aggregate 40mm nominal size mechanically mixed, placed in foundation and complete by vibration including curing complete. (1:3:6)

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 A With crushed stone iii For design mix RCC M 20 b) Height 5Mto 10 M

Construction of unlined surface drains of average cross-sectional area 0.40 sqm in soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift upto 3m and lead of 50 m (average lead 25 m) as per Technical Specification Clause 307. (A) Manual Means

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in foundation complete as per drawings and technical specifications Clauses 1000 and 1202

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification.

Providing and laying of Filter media with granular materials/stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of MoRTH specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size toeards the wall and provided over the entire surfaces behind the abutement, wing wall and return wall to the full height compacted to firm condition complete as per drawing and technical specification.

Gaziul Hassan

M/S. Sanjib Dutta