Farm-to-Market Roads Specifications (PK & Tamz 2021) PDF

SUMMARY OF FARM-TO-MARKET-ROADS SPECIFICATIONS Prepared by: PK & Tamz (2021) FMR VALUES DESCRIPTION/KEY WORDS TERMINOLOGIES 1-2m Wide (turnout)...

SUMMARY OF FARM-TO-MARKET-ROADS SPECIFICATIONS Prepared by: PK & Tamz (2021) FMR VALUES DESCRIPTION/KEY WORDS TERMINOLOGIES 1-2m Wide (turnout) One-lane roadway 30m Long (turn out) 4m Roadway 2m Min. width (one-lane) 4m Min. width (two-lane) Road Carriageway 3% Min. slope (egb) 1.5% Max. slope (concrete) 1m Min. width 95% Density Road Shoulder 4% Max. slope/EG Road (One-lane) 4% EGB/Concrete (Two-lane) 3% Bituminous/Concrete (One-lane) 2m, 0.5m Carriageway, shoulder (for 3m roadway) Roadway on 2m, 1m Carriageway, shoulder (for 4m roadway) Lateral & 4m, 1m* Carriageway, shoulder (for 6m roadway) Sub-lateral *main canal Irrigation Canals 1.5:1 run:rise 50cm Recommended embankment height 500m Flat terrain 150m Rolling terrain Radius of Curvature 50m Mountainous terrain >5km Avoid min. radius 90° Preferred 45-60° Acceptable Intersection 12 mm Removed the section then replaced it Curing 1/2 hours Not exposed/during curing period Cotton or Burlap 72 hours Maintained fully wetted Mats Waterproof Paper 72 hours Maintained in place 20 cm Thickness of Straw Straw Curing 72 hours Thoroughly wetted Impervious 30 minutes Curing compound harden Membrane Method 72 hours Curing Period White Polyethylene 72 hours Maintanined in Place Sheet Removal of forms 24 hours Remain in place undisturbed Sealing Joints 6 mm Below the level of surface pavement Placing Concrete 40 mm Slump 3 Consecutive equal strengths Acceptance 85% Concrete/Cores/Adequate/ Specified Strength Concrete 75% Concrete/ No cores/Adequate/ Specified Strength Opening Traffic 14 days After the concrete is placed 2 years, 24 hours Storm duration/Designed 10 years, 24 hours Storm duration/Evaluate Impact 910 mm Minimum Culvert Diameter Pipes and Culvert 2.5 fps Minimum water flow rate 2-4% Ideal slope 0.5 % Minimum slope Minimum thickness 0.25 m Front and Back slope 2:1 Elevation below Finished shoulder Roadside 0.8 m Ditch Depth Trapezoidal Ditch 0.5 m Maximum bottom width 1.2 m concrete-lined or masonry-lined ditch should be >4% provided Verify na lungs sa PAES. Ty -PK & Tamz-  SUMMARY OF FARM-TO-MARKET-ROADS SPECIFICATIONS Prepared by: PK & Tamz (2021) Masonry Lining 0.25 m Boulder 0.15-0.2 m Concrete lining 0.15 Concrete Mixture Class A Wire mesh diameter apart Roadside Triangular 0.06 - 0.15 m Side slope Ditch 2:1 Back Slope 1.5:1 Elavation below finished shoulder 0.8 m Ditch depth 0.5 m concrete-lined or masonry-lined ditch should be >4% provided.0.15 m Concrete Materials Roadside 0.25 m Masonry grouted ripraps Rectangular Ditch 0.5 - 1.2 m Ditch Depth 0.5 - 1 m Bottom width 4m Roadway width 0.10m Aggregate subbase course (thickness) Gravel Road-New 0.15m Aggregate surface course (thickness) 1km Length 1m Shoulder 4m Roadway width Bituminous-New 0.20m Thickness 1km Length 4m Roadway width 0.20m Aggregate base course (thickness) Concrete Paving of 0.20m PCCP (thickness) Existing Gravel Road 1km Length 1m Shoulder 4m Roadway width 0.20m Aggregate base course (thickness) Concrete Road-New 0.20m PCCP (thickness) 1km Length 1m Shoulder Mobilization/demobilization 1% Miscellaneous/overhead expenses/contingency 10-13% Profit Breakdown of 10-15% VAT Estimated 10% Project management (EDC) Expenditures up to 5% Physical up to 15% Price escalation up to 12% *EDC=estimated direct costt Verify na lungs sa PAES. Ty -PK & Tamz-  SUMMARY OF FARM-TO-MARKET-ROADS SPECIFICATIONS Prepared by: PK & Tamz (2021) 100 (1) Clearing & grubbing (Hectare) 100 (2) Clearing & grubbing (Lump Sum) 100 (3) Individual removal of trees, Small (Each) 100 (4) Individual removal of trees, Large (Each) 102 (1) Unsuitable excavation (m3) 102 (2) Surplus common excavation (m3) 102 (3) Surplus rock excavation (m3) 102 (4) Surplus unclassified excavation (m3) 104 (1) Embankment (m3) 104 (2) Selected, borrow for topping, case 1 (m3) 104 (3) Selected, borrow for topping, case 2 (m3) 107 (1) Overhaul (m3-km) Basis of Payment 107 (2) Overhaul of Borrow, Case 1 (m3-km) 200 Aggregate subbase course (m3) 201 Aggregate base course (m3) 300 Aggregate surface course (m3) 300 (1) Gravel surface course/Crushed aggregate 300 (2) Surface course 301 Bituminous prime coat 301 (1) MC - Cut-back asphalt (tonne) 301 (2) RC - Cut-back asphalt (tonne) 308 Bituminous Plant-Mix Surface Course, Cold Laid (tonne) 309 Bituminous Plant-Mix/Stockpile Maintenance Mixture (m2) 310 Bituminous Concrete Surface Course, Hot Laid (m2) Roadway Excavation (1) Unclassified Excavation It shall consist of the excavation and disposal of all materials regardless of its nature, not classified and included in the Bill of Quantities under other pay items. (2) Rock Excavation It shall consist of igneous, sedimentary and metamorphic rocks which cannot be excavated without blasting or the use of rippers, and all boulders or other detached stones each having a volume of one (1) cubic meter or more as determined by physical measurements or visually by the Engineer. (3) Common Excavation It shall consist of all excavations not included in the Bill of Quantities under “rock excavation” or other pay items. (4) Muck Excavation It shall consist of the removal and disposal of deposits of saturated or unsaturated mixtures of soils and organic matter not suitable for foundation material regardless of the moisture content. Borrow Excavation (1) Case I Consists of materials obtained from sources designated on the Plans or in the Special Provisions. Verify na lungs sa PAES. Ty -PK & Tamz-  SUMMARY OF FARM-TO-MARKET-ROADS SPECIFICATIONS Prepared by: PK & Tamz (2021) (2) Case II Consists of materials obtained from sources provided by the Contractor. For measurement purposes SSM = VSMRn – VSNEn Where: SSM – Surplus Suitable Material VSMRn – Net Volume of Suitable Material Required VSMEn – Net Volume of Suitable Material from Excavation Quality control reviews – conducted by government Rejection – 1 week Asphalt cement – AASHTO M 226 Tars – AASHTO M 52 Concrete – AASHTO M 6 Type N - Normal hydrated lime for masonry purposes. Type S - Special hydrated lime for masonry purposes. Type NA - Normal air-entraining hydrated lime for masonry purposes. Type SA - Special air-entraining hydrated lime for masonry purposes. TYPE USAGE/KEY WORDS Mortar Scratch Brown coats of cement plaster N&S Stucco Addition for Portland Cement concrete NA & Air-entered hydrated limes SA Hydrated lime develops high S& Early plasticity SA Higher water retentivity Verify na lungs sa PAES. Ty -PK & Tamz-  SUMMARY OF FARM-TO-MARKET-ROADS SPECIFICATIONS Prepared by: PK & Tamz (2021) a. Concrete Batcher. The person performing the batching or mixing operation shall be capable of accurately conducting aggregate surface moisture determination and establishing correct scale weights for concrete materials. He shall be capable of assuring that the proportioned batch weights of materials are in accordance with the mix design. b. Concrete Technician. The person responsible for concrete production control and sampling and testing for quality control shall be proficient in concrete technology and shall have a sound knowledge of the Specifications as they relate to concrete production. He shall be capable of conducting tests on concrete and concrete materials in accordance with these Specifications. He shall be capable of adjusting concrete mix designs for improving workability and Specification compliance and preparing trial mix designs. He shall be qualified to act as the concrete batcher in the batcher's absence. Verify na lungs sa PAES. Ty -PK & Tamz-