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6608 - Soil, Sand, Lime and Aggregate, 3.Statement of Work/ Specifications Materials Management Department 901-B Texas Street Denton, Texas 76209 INVITATION FOR BIDS IFB #6608-3 SCOPE OF WORK SUPPLY OF SOIL, SAND, LIME AND AGGREGATE FOR THE CITY OF DENTON Issue Date: October 18, 2017 Response due Date and Time (Central Time): Thursday, November 2, 2017, 11:00 A.M. The City highly recommends that respondents do not wait until minutes before the due date and time to email a submission. It can take significant time for the submissions to reach the City. IFB # 6608 EXHIBIT 3 Scope of Work Supply of Soil, Sand, Lime and Aggregate IFB # 6608 – Exhibit 3 Page 1 of 5 The scope of work shall be finalized upon the selection of the Firm. The respondent’s submission shall have accurately described your understanding of the objectives and scope of the requested products and services and provided an outline of your process to implement the requirements of the Scope of Work and Services. It is anticipated that the scope of work will include, at a minimum, the following: MATERIAL SOURCE: The contractor shall select his own source of material, pay all royalty, keep pit in co ndition satisfactory to the landowner, and care for all fences, gates, roads, stock or anything that might affect the landowner. The City of Denton will not be responsible for any damage in any way that may affect the landowner. The minimum six cubic yard sample of the proposed material must be supplied upon request of the City of Denton at no charge. Access to pit area must be available should onsite inspection of material be necessary. DELIVERY: No fewer than four (4) twelve-fourteen cubic yard trucks shall be utilized on any haul without permission from the using department. The City of Denton highly encourages you to use as many trucks as possible so delivery can be accomplished in the shortest period of time. Material will not be accepted before 8:00 a.m. or after 5:00 p.m., or on weekends without prior approval of the superintendent of the using department. All orders will be considered complete at the close of the working day in which the receipts most closely equal the quantity on the purchase order, (i.e. if you are hauling 600 yards per day, and the order is for 2,000 yards, then the end of the third day, 1,800 yards will complete the order. Also, if you are hauling 800 yards per day on the average, 2,400 yards total will be accepted). Deliveries shall be to various jobsites within the City of Denton, including the Service Center yard at 1200 Willis Street, Denton, TX 76209. PICKUP LINE ITEMS: Supplier shall note the number of miles from the Service Center at 901B Texas Street, Denton, TX 76209 to the yard where materials will be picked up. The mile distance from the City Service Center shall be considered in the evaluation of the best value. IFB # 6608 EXHIBIT 3 Scope of Work Supply of Soil, Sand, Lime and Aggregate IFB # 6608 – Exhibit 3 Page 2 of 5 I. PRODUCT SPECIFICATIONS for some Listed Items: A. Bulk Utility Products ITEM 1. Top Soil Screened- in non amended sandy loam topsoil free from roots, clods, and stones larger than 1/2” with 99% passing through a 3/8” screen (Ref: NCTCOG Table 202.2 Specifications) 2. Field Sand- used for backfill per NCTCOG Division 500 (504.2.3.2) – durable particles, free of thin or elongated pieces, lumps of clay, soil, loam or vegetation 3. Screened sand- suitable for mixture with cement in backfill operation. Reference NCTCOG Specifications (504.2.2.6) or (202.3.2) – Clean, hard, durable, uncoated grains, free of lumps and organic material. All particles must pass a #8 sieve. 4. Pit sand- suitable for pipeline backfill or ground leveling, ready to use, free of rocks, roots, foreign material, etc. 5. Manufactured Sand for Concrete Mixture- Washed and ready sand to use for concrete. (Free of foreign materials). 6. Concrete Aggregate Class A 1”- Rewashed and screened ready for use as concrete aggregate. (Ref: NCTCOG Table 303.2.1.3.2.(a) Grading Requirements for Coarse Aggregate) 7. Concrete Aggregate Class A 3/8”- Material suitable for use in spreader trucks for ice and snow control on city streets and bridges. (Ref: NCTCOG Table 303.2.1.3.2.(a) Grading Requirements for Coarse Aggregate) 8-10 Down Flexible Base- (Ref: NCTCOG Table 305.1 Requirements for Flexible Subbase or Base 11. Crushed Stone- Sedimentary rocks (Limestone & dolostone) produced from quarries, crushed stone fragments. 12. Limestone Screening 13. 1 ½” Limestone Rock (Washed & Screened) 14. 4” – 7 ½’ Gabion Limestone (Ref: NCTCOG Table 803.2 Requirements for Stone) IFB # 6608 EXHIBIT 3 Scope of Work Supply of Soil, Sand, Lime and Aggregate IFB # 6608 – Exhibit 3 Page 3 of 5 15. ¾” Rock, Limestone Utility Stone (not washed) 16-20. Rip Rap Limestone (Ref: NCTCOG Table 803.3 Description, Materials, Dimensions, Weight, Grading Requirements for Coarse Aggregate) 21-22. Pea Gravel ( Unwashed & Washed) 23. Select fill - clayey sand or very sandy clay with liquid, limit less than 35 and a plasticity index (PI) between 5 and 16. The select fill should be compacted to at least 95 percent of Standard Proctor compaction (ASTM D 698), and at a moisture content between -2 and +3 percentage points of the optimum moisture value. Compaction will be determined after delivery. 24. Type A, Grade 1 flexible base material (Ref: NCTCOG 301.5 Flexible Subbase or Base Specifications) B. Parks Maintenance Products 25. Ball Field Clay - bulk ton delivered and City pick up, 80% Clay, 20% Sand, free of rock, vegetation, vegetative seeds and other debris 26. 1/8” Volcanic Ash Infield Conditioner– bulk ton delivered, Volcanic Scoria composed generally of ferrous magma. Particle size 1/8” minus 27. 1/16” Volcanic Ash Infield Conditioner – bulk ton delivered, Volcanic Scoria composed generally of ferrous magma. Particle size 1/16” minus 28. Athletic Field Turf Topdressing Material, bulk cubic yard delivered and City pick up, 80% sand, 20% compost, screened at 1/8”, free of rock and clay 29. Athletic Field Turf Topdressing Material, bulk cubic yard delivered and City pick up, 100% fine sand, screened at .25”, free of rock and debris, maximum of 2% clay 30. Calcined Clay Topdressing Material 50lb bag delivered, Material is Hammer- milled and processed via rotary kiln operation at temperatures above 1200 degrees Fahrenheit. 31. Calcined Clay Infield Drying Agent 50lb bag delivered, Natural mineral with blend of Montmorillonite, illite, and amorphous silica. 40% minimum and 60% maximum amorphous silica. Material must be processed via rotary kiln operation at temperatures above 1200 degrees Fahrenheit. Material must be screened and de-dusted. IFB # 6608 EXHIBIT 3 Scope of Work Supply of Soil, Sand, Lime and Aggregate IFB # 6608 – Exhibit 3 Page 4 of 5 32-33. Vitrified Clay Infield Conditioner bulk ton delivered and 50lb bag delivered, expanded shell and clay. 34. Decomposed Granite – clean, hard durable particles or fragments of minus select crushed granite, river rock, or basalt. Material fines shall be evenly mixed throughout the aggregate. When produced from gravel, fifty percent (50% by weight of the material retained on a No.4 sieve shall have (1) fractured surface). 35. Engineered Wood Fiber Playground Surfacing (IPEMA certified/ ASTM F2075- 15)- A sample of wood fiber may be requested to ensure that the specifications are being complied. 36. Compost – bulk cubic yard delivered, Organic, aerobically composted humus containing manure, wheat straw, plant matter, hardwood shavings, and other valuable organic components. Compost consists of approximately 80% vegetative material and 20% animal manure. Materials are fully composted under proper C: N ratios with sustained temperatures to 170 Fahrenheit. Optimum cat- ion exchange capacity, free of weeds, weed seeds, insects and pests, PH 6.5 – 7.0 37. Azalea Soil – bulk cubic yard delivered, Reground enriched mulch mixture of 60% pine bark and 40% Canadian peat moss with supplemental nutrients added. Mixture has initial pH of 5.5 – 6.0. Soil provides long term buffering to hold acidic soil conditions. 38. Bedding Soil Mix, bulk cubic yard delivered, Hammer-milled, screened and aerobically composted organic matter including approximately 45% compost, approximately 45% de-composted pine bark, and approximately 10% screened fine sand. 39. Enhanced Bedding Soil Mix, bulk cubic yard delivered, Hammer-milled, screened and aerobically composted organic matter including approximately 35% compost, approximately 35% de-composted pine bark 10% screened fine sand, 10% Texas Green Sand, 10% lava sand. This mix has excellent drainage, moisture retention and friability. It wets easily, will not compact and can be used directly as a planting medium with appropriate fertilization. Lava sand provides excellent water holding capacity for plants as well as root growth stimulation. Texas green sand contains 20% chelated iron and other micronutrients 40-41. Cypress Mulch bulk cubic yard delivered, 100% Shredded native cypress trees. Leaves, bark and wood included. Mulch is hammer-milled through a screen to provide a shredded, fibrous material for excellent hold on sloped surfaces. IFB # 6608 EXHIBIT 3 Scope of Work Supply of Soil, Sand, Lime and Aggregate IFB # 6608 – Exhibit 3 Page 5 of 5 C. Bulk Lime: 42-43: The bulk hydrated/slurry lime to be used for street compaction. (Reference Division 2, Item 2.5 NCTCOG Specifications). Delivered in self-propelled spreader trucks to the City of Denton job sites. Vendor should indicate minimum and maximum truck delivery amounts on the pricing sheet – Exhibit 1.