7-52 An approved junction box shall be installed in the hand hole o f each pole that will accommodate the terminations of the underground cable with the cable in the pole serving the luminaires and to include a 480 volt grounded receptacle. Secondary lightning arresters shall be rated for 650 volts RMS and shall be designed for outdoor use. The arresters shall be installed in each phas e conductor to ground and shall be attached in or on the luminaire lowering device in a locatio n accessible for inspection and servicing when the device is lowered. SECTION 716 - STRUCTURAL ALUMINUM AND RELATED MATERIAL
716.01 Aluminum Railings a. Aluminum Extrusions Traffic rails, hand rails, splice bars, and pales brackets shall
conform to the requirement s of ASTM B 221, Alloy 6061-T6 or 635 1-T5. Post and post bases shall conform to the requirements of ASTM B 221, All oy 6061-T6. Pales shall conform to the requirements of ASTM B429 Alloy 6063-T5. Washers shall conform to the requirement s of ASTM B 209, Alloy Alclad 2024-T4 .
b.Aluminum Rivets Rivets shall conform to the requirements of ASTM B 316, Alloy 6061-T6 (cold heading). Rivets shall have a button type manufa ctured head. Self- plugging, aluminum blind fasteners for pale panels shall meet t he following requirements: 1) Sleeve-ASTM B 211, Alloy 5056 (Stabilized), 2) Pin - ASTM B 211, Alloy 2017 (Naturally Aged). The driven fastener shall meet th e requirements for ultimate shear and tensile strength of Military Specification M IL-R-7885.
c.Miscellaneous Aluminum Parts Rail caps shall be either sand cast or permanent-mold cast and shall conform to the requirements of ASTM B 26 or ASTM B 108, Alloy A 356-T6. All aluminum bars and plates shall conform to the requ irements of ASTM B 209, Alloy 6061-T6. Standard structural shapes conform to the requirements of ASTM Specification B 308.
d.Steel Anchor Assembly Steel spacers for post anchors shall conform to the requirements of ASTM A 36. Nuts embedded in concrete shall con form to the requirements of ASTM A 307. Anchor bolts, exposed nuts and washers shall conform to the re quirements of ASTM A 449 or ASTM F 1554, Grade 55 and shall be hot dipped galvanized in accordance with ASTM A 153 or ASTM B 695, Class 50, Type 1.
e.Stainless Steel Parts Cap screws, for fastening clamp bars and set screws for pale- panel brackets shall conform to the requirements of ASTM F 593, Alloy Group 1, Condition CW. 7-53 SECTION 717 - ROADSIDE IMPROVEMENT MATERIAL
717.01 Fertilizer Fertilizer shall be commercial fertilizer h aving available elements
in conformity with the standard s of the Association of Official Agricultural Chemist. The fertilizer shall be furnishe d in unopened bags with the weight, contents, and guaranteed analysis shown there on or on a securely attached tag. a Grass Seed Fertilizer shall be Property Specification Breakdown of Property Nitrogen (N) 23 percent At least 50 % from slow release sources Phosphorus (P) 0 percent No phosphorus Pottasium (K) 12 percent 40% from potassium magnesium sulphate Iron (Fe) 1 percent From iron sulphate b Slow Release Fertilizer tablets - Planting Tablets shall be a long lasting 20-10-5 plus minors ¾ ounce tablet. c Water Soluble Fertilizer shall be: Property Specification Nitrogen 20 percent Phosphorus 10 percent Potassium 20 percent Completely water soluble, non-corrosive, without chlorides or c arbonates, and containing a color tracer dye. 717.011 Humic Acid Soil Conditioner Humic Acid Soil Conditioner shall come from naturally occurring dry granular unaltered oxidized lignite, also called Humate, or equivalent product app roved by the department’s landscape architect, crushed to a particle size which passes a US standard 7 mesh screen [1/8 inch]. Humate or equivalent product shall have a Humic Aci d equivalent content of 70% (by weight).
717.02 Agricultural Ground Limestone Agricultural ground limes tone shall have the
following mechanical analysis: Sieve Designation Percentage by Weight Passing Square Mesh Sieves No. 10 100 7-54 No. 20 90-100 No. 100 50-100 Total Carbonates >=80 Agricultural ground limestone may be shipped in containers or i n bulk. Packaged material shall be delivered in the manufacturer's standard cont ainers. The containers shall be new and so constructed to assure safe arrival at the site. The net weight of the contents shall not exceed 100 pounds per container. The manufacturer's name, a guarantee analysis, and the net weight shall appear on each container. Bulk shipme nts shall be accompanied by certificates stating manufacturer's name, weight, and guarantee analysis. Liquid lime may be substituted for agricultural ground limeston e when seeding hydraulically. Liquid lime shall be water soluble and conta in the following analysis: Property Specification Elemental Calcium (Ca) 19 percent Nitrogen (N) 15.5 % of which 1% is from Ammoniacal Nitrogen and 14.5 % is from Nitrate Nitrogen Liquid lime shall be delivered in the manufacturer's unopened c ontainers. The manufacturer’s name, a guaranteed analysis, and the quantity sh all appear on each container.
717.03 Seed All seed shall be certified as to mixture, germina tion, purity, and live seed.
Each variety shall conform to the following: Property Specification Germination >80 percent Pure Live Seed >85 percent Purity >85 percent Weed Seed <1.0 percent All seed shall be from the current year’s crop unless recent te sts by an approved testing agency demonstrate that older seed meets the above requirements . Seed Mixtures shall consist of seed proportioned percent by wei ght as follows: Method #1 - Park Mixture Property Specification Creeping Red Fescue 45% +/- 4% 7-55 Kentucky Bluegrass 25 +/- 4% Chewings Fescue 15 +/- 4% Perennial Ryegrass 10 +/- 2% Annual Ryegrass 5 +/- 2% Method #2 - Roadside Mixture #2 Property Specification Red Fescue 35 % +/- 4 % Sheep Fescue 35 % +/- 4 % Red Top 5 % +/- 2 % White Clover 6 % +/- 2 % Annual Rye 19 % +/- 2 % Method #3 - Roadside Mixture #3 Property Specification Crown Vetch 50 % +/- 4% Perennial Lupine 25 % +/- 4% White Clover 4 % +/- 4% Perennial Rye Grass 21% +/- 4%
717.04 Mulch (a) Hay mulch shall consist of long fibered hay, reasonably fr ee from weeds and other
undesirable material. No material shall be used which is so we t, decayed or compacted as to inhibit even and uniform spreading. No chopped hay, grass clippings, or other short fibered material shall be used unless directed.
b.Straw mulch shall consist of long fibered straw derived fr om oats, wheat, rye or other cultivated grains, reasonable free from weeds and other u ndesirable material. No material shall be used which is so wet, decayed or compacted as to inhibit even and uniform spreading. No chopped hay, grass clippings, or oth er short fibered material shall be used unless directed.
c.Cellulose fiber mulch shall consist of elongated wood fibe rs from virgin or recycled sources and post-consumer newsprint. The woods fibers shall be tested to show no lead, asbestos or other heavy metals exceeding EPA toxic levels . Cellulose fiber mulch shall be free of refuse, physical contaminants, and mater ial toxic to plant growth. Cellulose fiber shall not contain more than 30 percent post-consumer newsprint.
Source: Maine Standard Specifications for Road and Bridge Construction, 2020 Edition. Pages 757–760 of 817.