Calfpasture Special Project Specification.pdf

Calfpasture River Arch Page 1 of 6 Special Project Specifications

SPECIAL PROJECT SPECIFICATIONS

FOR

Calfpasture River Arch, FSR 96

102.1 (12/86)

Delete “Pipe” from the definition of “Arch Pipe”.

GWJ 103.1 (8/01)

Add the following paragraph:

“The contractor shall call MISS UTILITY at 1-800-552-7001 at least 72 hours prior to all excavation so that all underground utility lines can be located. All damage to existing lines shall be repaired at the contractor’s expense.”

GWJ104.1 (4/09)

104.01 Add the following:

Roads to Be Constructed “The existing road, FSR 96, shall be closed to public traffic during construction.

To close the road the contractor shall install a temporary gate across FSR 96 on each side of the project at locations approved by the engineer. The temporary gate materials shall be approved by the engineer and each gate shall have as a minimum 2 barricade markers (BM-R24 and BM-L24) and a “ROAD CLOSED” sign (FR11-2-30) attached. Cables, ropes, chains, or other similar methods are not acceptable closure methods. In addition the contractor shall install a “ROAD CLOSED AHEAD” sign (R11-4) near the intersection of FSR 96 and FSR 95.

Prior to closing the road, the contractor shall submit to the engineer for approval a plan and schedule for road closure. This plan shall be submitted at least 7 days prior to the planned closure of the road. The gates and all signs shall be maintained by the contractor for the life of the contract.”

105.1 (7/85)

105.03 In the first paragraph, delete Sentences 3 and 4.

Sampling and Testing

Calfpasture River Arch Page 2 of 6 Special Project Specifications

GWJ105.1 (6/08)

105.03 First paragraph, change the first sentence to read:

Sampling & Testing "The contractor shall submit weight tickets from a source approved by the engineer which state Virginia Department of Transportation (VDOT) gradation and are in compliance with same Quality Assurance Program. This requirement constitutes aggregate source certification for sampling and testing in accordance with AASHTO requirements through the VDOT sampling and testing program.

However, the VDOT quality assurance program shall not relieve the contractor of the responsibility for furnishing material which conforms to the specifications and may be rejected as non-compliant in whole or part.”

GWJ106.1 (1/87)

106.02 Add: "The tonnage for aggregate weighed for payment may be reduced, if Determination moisture content in excess of 12 percent.”

of Quantities

GWJ202.1 (4/09)

202.03 Add: "Existing culverts to be removed shall become the Removal of property of the contractor and shall be removed from the project and National Bridges, Culverts, Forest land.”

& Other Structures

203.4 (11/85)

203.16 Add the following paragraph:

Construction Tolerances "Deviations in grade or alignment will not be permitted at bridge ends or other structures which control roadbed location or grade. Deviations which have an adverse effect on designed or existing drainage will not be permitted."

GWJ204.1 (5/09)

MATERIALS

204.02 Add the following:

Requirements “Geotextile fabric used for soil erosion and pollution control shall be a woven type with a minimum puncture strength of 90 lbs. and a maximum water flow rate of 5 gal. per min., or as approved otherwise by the engineer.

Calfpasture River Arch Page 3 of 6 Special Project Specifications

206A.1 (10/85)

206A.06 Delete and add:

Bedding, Backfill, "Bedding, backfill, and embankment for pipe culverts shall & Embank- be in accordance with Sections 603A, 603B, 617, or 617A ment for as applicable."

Pipe Culverts

206A.2 (7/90)

206A.05 Delete the last sentence and add the following:

Backfill & Embankments for "Excessively wet material that is otherwise suitable, shall Minor Structures be field drained and dried before placement. Each layer Other Than Pipe shall be compacted with mechanical equipment designed for Culverts this purpose. Compaction shall continue until visual displacement of each layer ceases."

602.1 (7/85)

602.03 Method A. Delete the first sentence.

Concrete Composition

602.2 (8/85)

602.05 Add, at the end of the second paragraph, the following Placing requirements:

Concrete "No concrete shall be placed when the concrete temperature reaches 90 degrees F."

602.06 (b) Unformed Surfaces Finishing Change "traveling" to "troweling".

GWJ617.1 (4/09)

617.03 Delete paragraphs 6 and 7, and add the following:

Excavation, Bedding, & Backfill “Backfill shall be readily compactable material free from frozen lumps and chunks of highly plastic clay or other objectionable material. No rocks larger than 3 inches in greatest dimension shall be used within 1 foot of the

Calfpasture River Arch Page 4 of 6 Special Project Specifications structure. Backfill material shall be placed at or near optimum moisture content in layers not exceeding 8 inches prior to compaction. Each layer shall be compacted with mechanical equipment designed for this purpose. Compaction shall continue until visual displacement of each layer ceases.

On each side of the structure there shall be an area of compacted material or undisturbed soil at least as wide as one diameter of the pipe or 10 feet, whichever is less. Backfill shall be compacted without damage or displacing the pipe or arch structure.”

GWJ619.3 (7/01)

619.02 Add: "Stones may be obtained from within the road construction limits or other Hand-Placed locations approved by the Engineer. Virginia Department of Transportation Machine- (VDOT) graded riprap is acceptable in accordance with the following table:

Placed, & Dumped Riprap Forest Service Grade VDOT Grade Class IV Dry Riprap Class I Class VI Dry Riprap Class II Class VIII Dry Riprap Class III Class IX Dumped Riprap Type I

619.4 (7/88)

619.02 Delete Paragraphs 1 and 2, add the following:

Hand-Placed, Machine-Placed, "Rock used for riprap shall be sound, durable, free from & Dumped Riprap seams, cracks and be resistant to the action of air and water. Shale and stone with shale seams are not acceptable."

GWJ625.1 (4/09)

625.03 In the second sentence, after the word "frozen" add the words "or snow Seeding covered."

Seasons Add the following: "All disturbed areas shall be seeded and mulched within 10 days of completion of ground disturbing operations. The Contractor shall notify the COR at least 24 hours prior to all seeding."

Calfpasture River Arch Page 5 of 6 Special Project Specifications

625.05 Add: "The seed mixture shall be uniformly applied as follows:

Application Methods for Seed, Fertilizer, & Limestone

Seed Mixture

Material Quantity/Acre Creeping Red Fescue 20 lb.

Grand Slam Perennial Rygrass (turf type)

50 lb.

Pennlawn Red Fescue 10 lb.

Annual Ryegrass 15 lb.

Fertilizer (10-10-10) 1500 lb.

Agricultural Lime 3000 lb.

Mulch Wood or Cellulose Fiber or Recycled Paper or Straw

2000 lb.

4000 lb.

Germination plus hard seed must be equal to or greater than 70% and the percentage of hard seed no greater than 45%.

When seeding from October 15 to March 1, 50 lb/acre of Cereal Rye (Abruzzi) shall be added to the mixture.

(b) Dry Method.

Delete the entire subsection and add the following:

“Mechanical seeders, seed drills, landscape seeders, cultipacker seeders, fertilizer spreaders, and hand operated seeding devices shall be used to uniformly apply the seed, fertilizer, and agricultural lime in the amounts and mixtures specified.”

625.06 (b) Dry Method.

Application applied by hand spreading.”

Add the following: “Straw mulch shall be uniformly of Mulch

GWJ703.1 (5/07)

703.06 (d) Crushed Aggregate. After the first paragraph, add the following:

Aggregate for Base or Surface Courses “Weight tickets from sources approved under special project specification GWJ105.1 shall constitute a certificate of compliance for quality requirements.”

Calfpasture River Arch Page 6 of 6 Special Project Specifications

Delete Table 703-4 and add the following:

“Aggregate shall meet Virginia Department of Transportation (VDOT) grading requirements for the gradation of aggregate shown on the drawings.