CATEGORY 900 MATERIALS SECTION 914 — CHAIN LINK FENCE
914.00 Certification
The manufacturer shall furnish certification as specified in TC-1.03. A sample of the fence fabric shall be submitted with the fabric certification.
914.01 Chain Link Fencing Fabric
Fabric shall be 2 in. mesh woven from coated No. 6 gauge wire for 6 ft and 8 ft fence and No. 9 gauge wire for 5 ft fence unless otherwise specified. The ends shall have a knuckled selvage at the bottom and a barbed selvage at the top. The fabric shall conform to M 181. Type I fabric shall meet Class D coating. Vinyl coated steel shall meet F668, Class 2B thermally fused. Vinyl color shall be warm gray or black as specified.
914.01.01 Fence Fabric for Super Silt Fence. Galvanized fabric for super silt fence shall meet
914.01, except that it shall be woven from No. 9 gauge wire having a Class C coating. The fabric shall be 42 in. high.
914.02 Tie Wires, Line Post Clips, Tension Wires, and
TENSION WIRE CLIPS M 181. The galvanized coating shall have a minimum weight of 1.2 oz/ft2. When used with aluminum coated steel fabric; these items shall be coated with aluminum at a minimum weight of 0.40 oz/ft
2.The tension wire used with polyvinyl chloride (PVC) coated steel fabric shall have the same coating thickness and color requirements as the fence fabric.
914.03 Posts, Braces, Fittings, and Hardware
M 181. When PVC coating is specified, PVC shall be thermally fused and bonded. The PVC thickness shall be 10 to 15 mil except that bolts, nuts, and washers shall be metallic coated steel. Polyester powder coating material for galvanized metal meeting 465.03.02(b) may be used in lieu of PVC. Round posts shall meet industry standards for Class1 or 2. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS
914.04 Gates
Class 3 coating. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS The fabric used for gates shall be identical to the fencing fabric. The gate frame and other hardware shall meet 914.02 and 914.03. When the gate frame is PVC coated, movable fittings shall be field coated with a PVC coating specifically prepared for this purpose.
914.05 Barbed Wire
A121. The barbed wire shall be 12-1/2 gauge with four point round barbs at 5 in. spacing and 915 — PRODUCTION PLANTS CATEGORY 900 MATERIALS SECTION 915 — PRODUCTION PLANTS
915.01 General
These specifications are applicable to all batching and proportioning plants.
915.01.01 Approval. The plant from which the Contractor proposes to obtain material shall be
approved by the Office of Materials Technology (OMT) before starting deliveries. 915.01.02 Lead Time. Notify OMT at least two working days prior to the start of operations. OMT shall be kept informed of plant operational procedures and be notified when a change is planned. Inspectors shall have safe access to all areas of the plant for the performance of their duties. All equipment, tools, machinery, and parts of the plant shall be maintained in a satisfactory working condition at all times.
915.01.03 Storage. The storage and handling of aggregates in stockpiles and bins shall be done
in a manner that will prevent segregation, intermingling, and contamination by foreign material or equipment. Bins discharging to feeder systems shall be equipped with accessible calibrated devices to vary the quantity of material being fed.
915.01.04 Measuring Devices. Measuring devices shall meet the current edition of the National
Institute of Standards and Technology Handbook 44, except as modified by Table 915. The producer shall provide all personnel and equipment for calibrating measuring devices. Before the plant starts any proportioning operation, and at least once each year thereafter, all measuring devices, meters, dispensers, test weights, and other measuring devices shall be inspected, tested, and certified to be in proper operating condition by an approved testing agency. During the period of operation, all measuring devices, meters, dispensers, and other measuring devices shall be tested monthly and certified for accuracy and operating condition by the producer or an approved testing agency. Any weighing device by which materials are sold by weight as a basis of payment shall be tested monthly and certified by an approved testing agency. The Engineer shall be notified at least two working days in advance of monthly scale inspections. The certifications shall state capacities, minimum graduations, loads applied, degree of accuracy, and magnitude. Balance and zero conditions of scales shall be checked daily, and at any other time requested by OMT. The Engineer may, at any time, direct that any measuring device be tested by the producer or an outside agency if there is any doubt about the accuracy of the measuring device. Certificates of inspection shall be posted in a prominent place in the plant, and a copy shall be promptly submitted to the Engineer. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS
Source: Maryland Standard Specifications for Construction and Materials, 2025 Edition. Pages 992–993 of 1,113.