A. Brand Name, Model Number: Manufacturer’s Standard B. Materials: 1. Frame: Stainless Steel or Aluminum (Aluminum must be epoxy-coated to withstand exposure to H₂S gases) 2. Cover: Stainless Steel or Aluminum (Aluminum must be epoxy-coated to withstand exposure to H₂S gases) 3. Grate: Heavy-duty metal with a non-corrosive finish, and anti-slip features. C. Design and Features: 1. Safety Grate: a. Bar Grating b. Design allows for drainage and prevent the accumulation of debris. c. Anti-slip surface finish or textured surfaces. 2. Hinges: a. Gas-assisted or spring-assisted hinges for easy opening and closing b. Heavy-duty, durable locking 3. Sealing: a. Water-resistant and dustproof seals to ensure the hatch remains sealed when closed. 4. Load Capacity: a. 1000 lbs per square meter. D. Coating: 1. Powder-coated or galvanizing finish
