RNPC

• Governor General Harrison – issued a letter of proposal for proper waste disposal.
• John F. Hass – first Chief of the Division of Plumbing Construction and Inspection.
• Jaime M. Cabase – spearheaded the updating of the Revised Plumbing Code
• Feati University – Plumbing Engineering was first introduced.
• NAMPAP – National Master Plumbers Association of the Philippines
• NAWASA – National Waterworks and Sewerage Authority
• All plumbing plans, drawings, diagrams, design analyses/computations as required, technical specifications, bill of materials & other required documents for all types of occupancy shall be prepared, signed & sealed by a Registered & Licensed Master Plumber, without limitation pursuant to Republic Act 1378, as amended.
• The above requirements shall be submitted in (6) sets
• Chairman of Master Plumber: ENGR. REYNALD B. ILAGAN
• Connection Approval

  • Permanent Connection: shall be approved by Administrative Authority
  • Temporary Connection: shall be endorsed by Administrative Authority
• Retention of approved plans, specifications, computations & other pertinent data:

  One set for Administrative Authority
• Retention of approved plans, specifications, computations & other pertinent data:

  Two sets returned to the Applicant
• Retention of approved plans, specifications, computations & other pertinent data:

  One set kept at the Jobsite
• Expiration:

  365 days from date of issuance
• Expiration:

  120 days if the work is suspended or abandoned
• INSPECTIONS

  General:

  No portion of any plumbing system shall be concealed until inspected & approved
• INSPECTIONS

  General:

  All Administrative Plumbing Personnel, Plumbing Inspector shall be a

  Registered and Licensed Master Plumber
• Inspection Request:

  Shall be filed at least three working days before such inspection is intended.
• Republic Act No. 1378


  Plumbing Law signed by Pres. Magsaysay.
• Republic Act No. 1364


  Sanitary Engineering Law signed by Pres. Magsaysay.
• City Ordinance 2411


  Plumbing Code for the City of Manila
• 1902


  the plumbing trade was duly recognized by the government.
• 1935


  NAMPAP has been registered with the Securities and Exchange Commission
• July 1956


  First licensure examination for master plumbers
• January 28, 1959


  Plumbing Code was promulgated and approved by Malacanang.
• 1966-1969


  Examiners and NAMPAP prepared a curriculum for Plumbing Engineering
• November 28, 1967


  First Amendment to the Plumbing Code was approved (inclusion

  of Asbestos Cement Pipe as approved plumbing material)
• February 23, 1994


  First fully computerized examination for master plumbers
• December 21, 1999


  Section 4 of R.A. 1378 was approved by Pres. Estrada.
• GRADE OF HORIZONTAL PIPING

  Drainage pipes shall be run in practical alignments & at a uniform slope between manholes of not less than 20mm/m or 2% toward the point of disposal.
• Any such pipe or piping 102mm or larger in diameter may have a slope of 10mm/m or 1% provided it is approved by Administrative Authority
• Changes in direction of piping shall be made by the use of approved pipe fittings & shall be the angles presented by:

  • 22 ½ degrees bend
  • 45 degrees bend
  • 60 degrees bend or other approved fittings of longer sweeps
• Horizontal drainage lines connecting to a vertical stack shall enter through:


  45 wye branches

  combination wye & 1/8 bend branches

  or other approved fittings of longer sweeps.
• Horizontal drainage lines connecting to other horizontal drainage lines shall enter through:


  45 wye branches

  combination wye & 1/8 bend branches

  or other approved fittings of longer sweeps.
• Vertical drainage lines connecting to other horizontal drainage line shall enter through:


  45 wye branches

  or other approved fittings of longer sweeps.

  60 degree branches or offsets (only for pipes installed in true vertical position)
• All pipings passing under or through walls shall be protected from breakage with embedded metal pipe sleeves.
• All pipes passing through or under cinders or other corrosive materials shall be protected from external corrosion by encasing same with polyethylene sheath or in any other approved manner.
• Void between pipes & sleeves through concrete floors in the ground shall be appropriately sealed with bitumen.
• The bottom of all pipe trenches deeper than the footing of any adjacent building or structure & parallel to it must be at least 45degrees there from unless permission is granted by Administrative Authority.
• No building sewer or other drainage pipings or part thereof, constructed of materials other than that approved for use under or within the building, shall be installed under or within 0.6m of any building or structure, nor less than 0.3m below the finish ground surface.