CONSTRUCTION SPECIFICATION - USDA



California developed these CA-Interim Construction Specifications in 1986 for use on EWP projects and in the Lake Tahoe Basin work. Over the years they have been revised based on experience with their use. The 270 series were originally developed for the Tahoe Basin work, but these have use in other work

The specifications are in NEH-20 specifications format and may be used on other contract work.

California has these CA-Interim Specifications on Diskette in WinWord 6.0 & Windows 95 Word 7, along with a diskette with the Instruction for Use of each specification. These diskettes are being furnished to each State Conservation Engineer in the West Region

If you have any questions, contact Mario Milani, Design RTT Construction Engineer, NRCS, Davis, CA.

Phone: 530-792-5614 email -- mario.milani@ca.

CONSTRUCTION SPECIFICATION

251. ASPHALT PAVING

1. SCOPE 4 pages

This work shall consist of the furnishing and placement of aggregate base, and the furnishing and placement of asphalt paving at the locations and to the lines and grades as shown on the drawings.

NRCS-CA-INTERIM (2/98)

Job Name 251- Date

NOTE: THE FOOTER WILL ONLY BE SHOWN FOR THIS INTERIM SPECIFICATION

CONSTRUCTION SPECIFICATION

252. TRAFFIC CONTROL AND PUBLIC SAFETY

1. SCOPE 2 pages

The work shall consist of providing for the public's convenience, safety, and maintaining traffic control, including flaggers.

CONSTRUCTION SPECIFICATION

255. REMOVAL OF OBSTRUCTIONS

1. SCOPE 2 pages

The work shall consist of the removal of obstructions from the designated areas as shown on the drawings, and the disposal of the refuse material.

CONSTRUCTION SPECIFICATION

256. SEDIMENT REMOVAL

1. SCOPE 1 page

The work shall consist of the excavation of sediment to the limits as shown on the drawings and the disposal of the excavated materials.

CONSTRUCTION SPECIFICATION

257. CLEARING

1. SCOPE 2 pages

The work shall consist of the clearing and disposal of trees, brush, sediment, logs, snags, boulders, and other obstructions within the area as shown on the drawings.

CONSTRUCTION SPECIFICATION

258. CHANNEL AND DIKE RESTORATION

1. SCOPE 3 pages

The work shall consist of the excavating, loading, hauling, placing, and compacting of earth fill to restore earth channel and dike embankments as shown on the drawings.

CONSTRUCTION SPECIFICATION

259. STRUCTURAL EXCAVATION AND BACKFILL

1. SCOPE 3 pages

The work shall consist of the structural excavation required for the installation of a structure, and the placement of the backfill adjacent to the structure.

CONSTRUCTION SPECIFICATION

260. REINFORCED CONCRETE FOR MINOR STRUCTURES

1. SCOPE 3 pages

The work shall consist of furnishing, forming, placing, finishing, and curing reinforced concrete as required to construct the minor structures to the dimensions, lines, and grades as shown on the drawings.

CONSTRUCTION SPECIFICATION

261. SHOTCRETE

1. SCOPE 5 pages

This work shall consist of furnishing and placing shotcrete for lining ditches and channels, slope paving, constructing warped sections, and other similar features. The details and dimensions are as shown on the drawings.

CONSTRUCTION SPECIFICATION

262. CORRUGATED METAL PIPE

1. SCOPE 5 pages

The work shall consist of furnishing and placing circular, arched, or elliptical corrugated metal pipe and the necessary fittings at the locations, and to the lines and grades as shown on the drawings, and shall include any necessary excavation and the required structural backfill.

CONSTRUCTION SPECIFICATION

263. ROCK RIPRAP

1. SCOPE 3 pages

The work shall consist of furnishing, transporting, and placing rock for the constructing of loose rock riprap revetments, ditches and blankets, including filter or bedding where specified, to the dimensions lines and grades specified or as shown on the drawings.

CONSTRUCTION SPECIFICATION

264. GROUTED ROCK RIPRAP

1. SCOPE 3 pages

The work shall consist of furnishing, transporting and placing rock and concrete grout for the construction of grouted rock riprap sections, including filter or bedding where specified, to the dimension lines and grades specified or as shown on the drawings.

CONSTRUCTION SPECIFICATION

265. SACKED CONCRETE

1. SCOPE 3 pages

The work shall consist of furnishing, transporting, placing, and curing sacked concrete as shown on the drawings.

CONSTRUCTION SPECIFICATION

266. POST AND WIRE REVETMENT

1. SCOPE 2 pages

The work shall consist of furnishing and installing pipe (or rail) and wire revetment complete in place as shown on the drawings, including excavation and backfill of trenches.

CONSTRUCTION SPECIFICATION

267. STEEL SHEET PILING

1. SCOPE 3 pages

The work shall consist of furnishing and placing the specified kinds and types of piles at the locations to lines and grades shown on the drawings.

CONSTRUCTION SPECIFICATION

268. EARTHFILL

1. SCOPE 3 pages

The work shall consist of borrow excavation, hauling, placing and compacting earthfills required to construct the embankments as shown on the drawings.

CONSTRUCTION SPECIFICATION

270. SLOPE CONSTRUCTION

1. SCOPE 3 pages

The work shall consist of the excavation, slope scaling, removal of slope overhang, and placement of material required for slope construction to the lines and grades as shown on the drawings.

CONSTRUCTION SPECIFICATION

271. TIMBER RETAINING WALLS

1. SCOPE 3 pages

The work shall consist of furnishing the materials, and constructing timber retaining walls, to the lines and grades shown on the drawings, including the concrete backfill for the footings.

CONSTRUCTION SPECIFICATION

272. ROCK TOE-WALLS

1. SCOPE 2 pages

The work shall consist of transporting and placing of rock for construction of rock toe-walls, including the furnishing and placing of grout, bedding and filter materials where specified, to the lines and grades as shown on the drawings.

CONSTRUCTION SPECIFICATION

273. CURBS AND GUTTERS

1. SCOPE 4 pages

The work shall consist of furnishing, forming, placing, finishing and curing concrete required to construct curbs and gutters to the dimensions, lines and grades as shown on the drawings.

CONSTRUCTION SPECIFICATION

274. DRAINFILL

1. SCOPE 2 pages

The work shall consist of furnishing, transporting, and placing drainfill at the locations and to the lines and grades as shown on the drawings.

CONSTRUCTION SPECIFICATION

275. MODULAR BLOCK

1. SCOPE 2 pages

The work shall consist of furnishing and placing pre-cast concrete blocks on the areas and to the lines and grades as shown on the drawings, and shall include furnishing and placing backfill in the open areas of the blocks.

CONSTRUCTION SPECIFICATION

276. GALVANIZED METAL FABRICATION

1. SCOPE 2 pages

The work shall consists of furnishing, fabricating and erecting galvanized metalwork, including the metal parts of composite structures.

CONSTRUCTION SPECIFICATION

278. ROCK SLOPE PROTECTION

1. SCOPE 2 pages

The work shall consist of furnishing, transporting, and placing rock for the construction of loose rock slope protection, including filter layers or bedding where specified, to the dimensions lines and grades on shown on the drawings.

CONSTRUCTION SPECIFICATION

280. VEGETATIVE COVER

1. SCOPE 4 pages

The work shall consist of preparing the seedbed, furnishing and placing seed, mulch, fertilizer, inoculant and soil amendments for the areas as shown on the drawings.

CONSTRUCTION SPECIFICATION

281. VEGETATIVE COVER WITH NYLON MATTING

1. SCOPE 3 pages

The work shall consist of preparing the seedbed, furnishing and placing seed, fertilizer, inoculant, soil amendments, and nylon matting for the areas as shown on the drawings.

CONSTRUCTION SPECIFICATION

282. WOODY CUTTINGS

1. SCOPE 2 pages

This work shall consist of preparing the area for treatment, furnishing, and placing woody cuttings in the areas specified herein and as shown on the drawings.

CONSTRUCTION SPECIFICATION

283. TREE SHRUB PLANTINGS

1. SCOPE 3 pages

This work shall consist of furnishing and planting containerized plants as specified and as shown on the drawings.

CONSTRUCTION SPECIFICATION

284. EROSION CONTROL

1. SCOPE 2 pages

The work shall consist of preparing the surface, furnishing and placing mulch for temporary erosion control, and also includes the work required to remove debris when time period has elapsed.

CONSTRUCTION SPECIFICATION

285. HERBACEOUS PLANT ESTABLISHMENT

1. SCOPE 2 pages

The work shall consist of establishing herbaceous plants (vegetative cover) to assure maximum possible survival and vigorous growth by the end of the establishment period, including furnishing and applying water and fertilizer.

CONSTRUCTION SPECIFICATION

286. WOODY PLANT ESTABLISHMENT

1. SCOPE 2 pages

The work shall consist of establishing woody plants to assure maximum possible survival and vigorous growth by the end of the establishment period, including furnishing and applying water and fertilizer.

CONSTRUCTION SPECIFICATION

287. TOPSOIL

1. SCOPE 1 page

The work shall consist of furnishing, transporting, and placing topsoil to the specified depths on the areas as shown on the drawings.

CONSTRUCTION SPECIFICATION

288. IRRIGATION SYSTEM

1. SCOPE 4 pages

The work shall consist of furnishing, and installing pipe and fittings for an irrigation system, including excavation and backfilling of trenches, and testing. The system shall e installed at the location and to the lines and grades as shown on the drawings.

CONSTRUCTION SPECIFICATION

289. MULCH COVER

1. SCOPE 3 pages

The work shall consist of furnishing and placing mulch, and soil amendments for all designated areas as shown on the drawings and designated by the Contracting Officer's Technical Representative (COTR). Areas of private landscaping, areas that have recently been seeded of landscaped, structures, fences building foundations and paved surfaces shall not be treated.

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