NABARD- RIDF TRANCHE XXXI- Construction of Bridge and improvement of Chakkikuzhy Forest Station complex Road, Nilambur South, Malappuram District

2.7.B Dismantling Stone Masonry as per Technical Specification Clause 202. Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of stone masonry, including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per Technical Specification Clause 202. (B) Rubble Stone Masonry in Cement Mortar

3.6 Excavation in Marshy Soil Excavation for roadway in marshy soil with hydraulic excavator 0.9 cum bucket capacity including cutting and loading in tippers and disposal with a lift upto 1.5 m and lead upto 1000 m, trimming of bottom and side slopes in accordance with requirements of lines, grades and cross- sections as per Technical Specification Clause 302.3.6.

3.5.1 Excavation in Cutting in Soil by manual means with lead upto 50 m <br> 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

4.1.A.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

4.9 Wet Mix Macadam <br> 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 subbase 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. <br> By Mechanical Means with 1 km lead

6.4 Construction of un-reinforced dowel jointed at expansion and construction joint only,plain cement concrete pavement ,thickness as per design,over a prepared sub base,with 43 grade cement or any other type as per clause 1501.2.2 M 30 (grade),coarse and fine aggregates conforming to IS 383,maximum size of coarse aggregate not exceeding 25 mm,mixed in a concrete mixer of not less than 0.2 cum capacity and appropriate weigh batcher using approved mix design,laid in approved fixed side formwork(steel channel, laying and fixing of 125 micron thick polythene film, wedges,steel plates including levelling the formwork as per drawing),spreading the concrete with showels,rakes,compacted using needle,screed, and plate vibrators and finished in continuous operation including provision of contraction and expansion ,construction joints,applying debonding strips, primer, sealant, dowel bars, near approaches to bridge /culvert and construction joints, admixtures as approved,curing of concrete slabs for 14 days,using curing compound(where specified) and water finishing to lines and grade as per drawing and Technical Specifications clause 1501

75.8.1 Providing Plain cement concrete for road work CC 1:2:4 (1 cement: 2 fine aggregate: 4course aggregate) laid to required slope and camber in panels (@ 3 m c/c) as requiredincluding compaction, finishing and tamping etc .complete. Max. size of courseaggregate not exceeding 25mm , mixed in concrete mixer etc complete as perspecification (i) Nominal mix (1:2:4)

OD388112/2025-2026 Providing and laying boulder apron for bed protection with Departmental stone boulders of minimum size and weight as per Table 1300.1, no fragment weighing less than 25 kg laid dry complete as per drawing and technical specifications Clause 1301

11.4.1.2 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 (ii) Nominal mix 1:3.6 (Hand mixing)