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1 4. No equipment shall be anchored to vertical structural elements without written approval 2 of the Engineer. 3 ' 4 s B. Seismic Considerations 6 ' 7 1. For all equipment with an operation weight of 1,000 pounds or more (250 pounds, in 8 the case of vibration isolated equipment having seismic restraints) in addition to the 9 above requirements, submit detailed calculations for review by the Engineer which 10 demonstrates that the anchor bolting will not fail in shear or in tension. Calculations 11 shall include the following steps as a minimum: 12 13 a. Determination of the operating weight and centroid of the equipment, if not already ' 14 completed. 15 b. Determination of the shear and overturning 16 forces at each anchorage due to a 17 force as determined in accordance with U.B.C. being applied at the centroid in 18 each direction along the three principal orthogonal axes (use the values obtained 19 in the dynamic analysis in the case of seismically restrained vibration isolated 20 equipment). 21 22 c. Determination of the shear and tension forces which must be developed by the 23 anchor bolts at each support to resist the forces calculated in Step 2. 24 25 d. Selection of anchor bolting details based on the maximum shear and tension 26 forces calculated in Step 3. 27 ' 26 2. Vibration-isolated equipment shall be provided with snubbers capable of retaining the 29 equipment in its designated locations without any material failure or deformation of the 30 snubbers when exposed to a vertical or horizontal force at the contact surface equal 31 to 100 percent of the operating weight of the equipment. Air gaps between retainer 32 and equipment base shall not exceed 1/4 inch. 33 34 3. Inasmuch as most anchorage of equipment is to be made of poured-in-place concrete 35 elements, it is imperative that types of anchorage be coordinated with the Contractor 36 so that anchorage may be installed at time of pouring. If calculations and anchorage 37 details are not submitted prior to pouring of concrete, the Contractor will become ' 38 responsible for any strengthening of concrete elements because of superimposed 39 seismic loading. 40 1 41 4. All piping, raceways, ductwork, accessories, appurtenances, etc., furnished with 42 equipment shall be anchored to resist a lateral seismic force of 40 percent of its 43 operating weight without excessive deflection. This force shall be considered acting at 44 the center of gravity of the piece under consideration. 45 46 5. Piping with flexible connection and/or expansion joints shall be anchored such that the 47 intended uses of these joints are maintained in the piping system. 46 49 2.07 LUBRICANTS 50 51 All mechanical equipment with a sufficient supply of correct lubricant for starting, testing, 52 and initial 30-day operation period shall be provided. All lubricants shall be of types GENERAL MECHANICAL EQUIPMENT PROVISIONS 081294 11010-5