TARRING WORK OF VALIYPARAMB AYYAPPANCHOLA KOORIPARAMBA ROAD IN OTHUKKUNGAL GRAMAPANCHAYATH,VENGARA LAC.

Amount

TARRING WORK

Compacting Original Ground (i)Compacting original ground supporting embankment Loosening, Levelling and Compacting original ground supporting embankment to facilitate placement of first layer of embankment, scarified to a depth of 150 mm, mixed with water at OMC and then compacted by rolling so as to achieve minimum dry density as given in Tables 300.1 and 300.2 for embankment construction as per Technical Specification Clause 301.4.1.(3.15.1)

Filling with Quarry Muck <br> Filling up low lying and water logged areas with local material/ quarry muck, spreading in layers, leveling the top at site and consolidation by ramming, etc complete for improving the CBR value of subgrade (od172681/2022_2023)

Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406.By Mechanical Means with 1 km lead(4.1)

Prime Coat :-Low 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 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502 (5.1.1a)

Tack Coat Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503.(5.2.3a)

20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder - Bitumen S-65 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 (II)Bitumen (S-65) (5.9.1.2a)

Seal Coat - Manual Means - Type C - Bitumen S-65 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 - III : Type C (II)Bitumen (S-65)(5.12.A.3.2a)

Excavation in Cutting in Soil by manual means with lead upto 50 m Excavation for roadway in soil using manual means for carrying of cut earth to embankment site with a lift upto 1.5 m and lead upto 50 m as per Technical Specification Clause 302.3(3.5.1)

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 I.P.C.C grade M 10 (i)Nominal mix 1:3:6(11.4.1.1)

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 II.P.C.C grade M 15 (i)Nominal mix (1:2.5:5) (11.4.2.1)

Granular Sub-base with Well Graded Material (Table 400.1) (A) By Mix in Place Method Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (i) For Grading I Material (4.1.A.1)

[OD from MoRD 75.8.1] Providing Plain cement concrete for road work CC 1:2:4 (1 cement: 2 fine aggregate: 4<br>course aggregate) laid to required slope and camber in panels (@ 3 m c/c) as required<br>including compaction, finishing and tamping etc .complete. Max. size of course<br>aggregate not exceeding 25mm , mixed in concrete mixer etc complete as per<br>specification<br> (i) Nominal mix (1:2:4)<br>a)Materials(od172382/2022_2023)

[OD from DAR 60.6] PVC weep holes, Providing weep holes using 75 mm doa PVC pipe 4 kg/cm2 including cost of materials, conveyance and all labour charges etc complete (od172758/2022_2023)

Providing and fixing granite of any colour and shade for name board of required size laid over base of cement mortar 1:4 (1 cement and 4 coarse sand) including all charges etc complete at all levels including leering & fixing(od172836/2022_2023)

P. MOHAMMED

K. MOOSA