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5. Area D, Phase I -Gravel Pit Mining, Processing, and MSHA Berming 5.1. Gravel Pit-MinindRoad Base Processin0 5.1.1. Mine and process 20,000 cy of Class 5 road base NOTE: Reference URS gravel pit report to assist with estimating mining/processing costs 5.1.2. Provide adequate road signage of heavy equipment activity along County Road 3 5.1.3. Pedonn repairs to County Road 3 as necessary from hauling activities 5.1.4. Perform repairs to roads within gravel pit to ensure road conditions are same or better than existing prior to start of Work 5.1.5. This section applies Lots 1 and 3. Cost for this section should be included in line item named: "Area D" 5.2. MSHA Bermino- Haul Road from Gravel Pit to North Stockoile (-8 OOOLFI 5.2.1. Transport 2,700 LF (10 h. sections) of Type 4 concrete barriers from project site 3 miles south of Hwy. 9 and Ute Pass Road NOTE: Company will load barriers, Project Manager will coordinate schedule 5.2.2. Position concrete barriers along haul road (minimum 2 tt. spacing) as directed by Project Manager 5.2.3. Cut and grade 3,000 feet of existing access road to provide a 17'6" wide roadway and 3 h. high MSHA berm on downhill side of roadway 5.2.3.1. Process, haul, and install approximately 200 cy of road-base as needed 5.2.4. Provide adequate MSHA berming for remaining 3,500 ft of haul road 5.2.5. This section applies Lots 1 and 3. Cost for this section should be included in line item named: "Area D" 6. Haul topsoil from Soil Piles A and B to North Stockpile (Vyork Area A). Bid costs per cy. 6.1. This section applies Lots 1 and 3. Cost for this section should be included in line Item named: 'Topsoil A". Actual quantities may vary. 7. Haul topsoil from Soil Piles E to South Stockpile (Work Area C). Bld costs per cy. 7.1. This section applies only to Lot 3. Cost for this section should be included in line item named: "Topsoil B". Actual quantities may vary. 8. Install additional Tensor 8X1200 geogrid on prepared foundation (Work Area A or C) as directed by Project Manager during the Work. Bid costs per sy. 8.1.1. This section applies Lots 1 and 3. Cost for this section should be included In line item named: "Geogrid". 8.1.2. 1,800 sq. yard of geo-grid is estimated to be the minimum quantity to be installed. Depending on the ground conditions, quantity may increase up to 5,000. 9. Contingency Items 9.1. Construct special drainage mats in wet areas, including gravel, geotextile envelopes, and ADS Drain piping. One such area expected for Phase I construction. Bid costs per d. 9.1.1. This section applies Lots 1 and 3. Cost for this section should be included in line item named: "Wet crossings". 9.2. Construct gravel under-drains at South Stockpile Location per drawings (Work Area C). Bid costs per foot. 9.2.1. This section applies only to Lot 3. Cost for this section should be included in line item named: "Gravel Underdrains". 10. WORK NOT INCLUDED 10.1. Survey control benchmarks referenced to the State coordinate grid have been established by the Owner. 10.2. Seed, mulch, and fertilize disturbed areas. 10.3. Phase II Road Construction in Area B 10.4. Purchase of geo-grid 11. Other specifications related to this scope of work. Please see separate attachments. 11.1. URS gravel pit report. 11.2. STORMW ATER MANAGEMENT AND DRAINAGE Page 3