Tenders Are Invited For Emergency Repair Of A Retaining Wall Of The Matitsa River With A Length Of 35M In The Section Of Tsonyo Voivoda St., Zhelyava Village, Kremikovtsi So District
Tenders Are Invited For Emergency Repair Of A Retaining Wall Of The Matitsa River With A Length Of 35M In The Section Of Tsonyo Voivoda St., Zhelyava Village, Kremikovtsi So District
The Retaining Wall Is Situated So That The River Waters Of The Matitsa River Do Not Reach The Street Regulation Line And To Prevent Undermining And Landslides Of Earth Masses. Landslide Zone Preparation: Excavate Unsuitable Material In The Construction Site Area And Haul It To A Landfill. To Strengthen In The Zones If Necessary. The Alignment Of The Earth Bed Should Be Done According To The Template According To The Project. In The Area Of The Clay-Brown Earth Soil, Make And Build A Foundation Of Crushed Stone 0-100, Ensuring Fullness By Tamping The Material. Constructive Solution: The Retaining Wall Is Divided Into Sectors With A Length Of 11 Meters. Expansion Joints Of 2 Cm Are Formed Between Them. In Order To Ensure Water Tightness, Insulation Of The Type Of Rubber Kalchuk Swelling Tape, Glued On Both Sides In The Area Of The Joints, Is Provided. The Wall Is Monolithically Built, Reinforced Concrete With Foundations And Drilled Piles With A Diameter Of 150 Mm From The Nea 100 Profile Located In Two Lines Staggered With A Distance Of 1 M. In Line. Drilling Piles Should Have A Minimum Depth Of 1.5 Meters. The Foundations Are A Monolithically Built Step-Shaped Reinforced Concrete Slab With A Width And Height According To The Drawings. The Concreting Of The Wall Should Be Done With Concrete Class C30/37 As Required By The Atmospheric Conditions, With An Anti-Freeze Additive And Waterproofing Of The Concrete. The Formwork To Be Additionally Strengthened In Height Due To The Uneven Section And Accepted By A Constructor. The Reinforcement Should Be Separated By Means Of Fasteners With A Minimum Coverage Of 35Mm And 15Mm. Reinforcement To Be Checked And Accepted By Designer Before Placing Concrete. Demolding Of The Reinforced Concrete Retaining Wall To Be Done After 75 Percent Strength Of The Concrete. Execution Of Bulk Works Behind The Wall Is A Screen Made Of Rammed Crushed Stone Base, Above Which Pvc Pipes 75 Mm With The Function Of Barbicans Are Laid In The Wall. To Build Reinforcement On The Entire Surface Of The Step Of The Foundation Wall With Crushed Stone Fraction.
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