53.Route the professional hose to the below ground storage tank manufacturer inlet piping. NOTE: Place traffic cones around the storage tank inlet and the drain hose to alert motorists in the station of the hazard and that work is in progress. 4.Open the gravity drain isolation cock. 5.Ensure the gravity drain hose is attended at all times when drainingto ensure it stays inthe storage tank inlet until completely drained. 6.Once the tank is completely drained, close the holding tank gravity drain valve. 7.Disconnect the petroleum drain hose fromthe holding tank gravity drain connection.
CAUTION: Ensureall fuel residual is drained from the hose into the undergroundstorage tank prior to liftingthe hose from the storage tank inlet.. Disposal of drained fluid shouldbedone in anenvironmentally safe and responsible manner in accordance with good industry practices and in compliance with OSHA regulations. 8.Stow the drained hose, secure the provers with the (3) locking brackets making sure to replace the cotter pins and replace vapor caps. Reference :For officially recognized petroleum measurement procedures and methods—reference: NIST Handbook 44 Specifications, and Tolerances, and other Technical Requirements for Weighing and Measuring. API Manual of Petroleum Measurement Standards, Chapter 4, Section 4 (Tank Provers) and Section 8 (Operation of Proving Systems). Seraphin® - 30 Indel Avenue – Rancocas, NJ 08073 Tel: 1-609-267-0922 Fax: 1-609-261-2546 e-mail:sales@seraphinusa.com Pub E91-4043