Mla Wa­ter read­ies P5.3-B aqueduct


Ayala-led Manila Wa­ter Co. Inc. is set to start the con­struc­tion of the No­valich­esBalara Aqueduct 4 (NBAQ4) fol­low­ing the sign­ing of the P5.3-bil­lion project aimed at im­prov­ing the re­li­a­bil­ity and se­cu­rity of the com­pany’s raw wa­ter trans­mis­sion sys­tem.

Manila Wa­ter said it al­ready signed the con­tract with the Metropoli­tan Water­works and Sew­er­age Sys­tem (MWSS), project con­sul­tant Arup, NOVABALA joint ven­ture, and de­sign and build con­trac­tors CMC di Ravenna, First Bal­four Inc., and Chun Wo En­gi­neer­ing.

The NBAQ4 project, one of the largest wa­ter sup­ply in­fra­struc­ture projects un­der­taken by the com­pany, will in­clude the con­struc­tion of a fourth aqueduct from the La Mesa reser­voir to the Balara Treat­ment Plants 1 and 2.

The Metropoli­tan Water­works and Sew­er­age Sys­tem (MWSS) said the aqueduct project is part of the agency’s wa­ter se­cu­rity pro­gram un­der the Duterte ad­min­is­tra­tion.

The NBAQ4 project will pro­vide a new aqueduct to en­able the se­quen­tial tem­po­rary ser­vice sus­pen­sion of the ex­ist­ing aque­ducts for in­spec­tion, as­sess­ment and sub­se­quent re­ha­bil­i­ta­tion.

The 7.3-kilo­me­ter long and 3.1-me­ter di­am­e­ter NBAQ4, one of the first tun­nels to be con­structed with a tun­nel bor­ing ma­chine in the metro, will also be com­posed of a new in­take fa­cil­ity at La Mesa, an un­der­ground aqueduct, and an out­let fa­cil­ity at BTP.

It will have a ca­pac­ity of 1,000 MLD and will be con­structed along Com­mon­wealth Av­enue in Que­zon City.

Upon com­ple­tion, the project will pro­vide emer­gency re­dun­dancy in the event of a fail­ure in any of the ex­ist­ing aque­ducts.

The aqueduct project is tar­geted to be com­pleted be­fore the end of the ad­min­is­tra­tion by 2021.

The three ex­ist­ing aque­ducts, built in 1929, 1956 and 1968 are al­ready near­ing the ser­vice life of 50 years for con­crete struc­tures and are in need of as­sess­ment and re­ha­bil­i­ta­tion.

Manila Wa­ter caters to the East Zone which en­com­passes parts of Makati, Man­daluy­ong, Pasig, Pateros, San Juan, Taguig, Marik­ina, most parts of Que­zon City, por­tions of Manila, as well as sev­eral towns in Rizal.

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