Tenders Are Invited For Silver Mountain, Fortress - Kennon And Lower Bastion (1768) Restoration Of Walls And Underground Walk.

Part I - Donjon - Redan Stone Elevation Restoration. The Task Includes: Securing The Adjacent Path Of The Tourist Route (Open Daily From 10:00 A.M. To 7:00 P.M.) For The Duration Of The Works, Uncovering The Base Of The Redan Wall From Earth And Rubble To The Designed Level, Redirecting The Rubble In The Moat In Search Of Historical Stone Material For Rebuilding The Face Of The Wall, Selecting A Stone Of The Appropriate Size. Setting Up Scaffolding, Cleaning The Surface, Filling The Face Of The Wall With Historical Stone (Gneiss), Anchoring, Making Reinforced Concrete Wreaths, Filling In The Stone Bands Of Window And Drainage Openings, Filling Brick Gaps In The Window And Drainage Openings And The Gun Post, Pointing The Walls. Restoration Of The Wall According To Traditional Masonry Techniques Using Hydraulic Lime And The Original Building Material - Gneiss Stone After Cleaning And Segregation - It Is Very Important To Preserve The Original Wall Thread Using A Stone Of The Appropriate Size (Block Weight Up To 500 Kg). In Places Of The Largest Wall Defects Exceeding 100 Cm, Reinforcements And Stabilization Will Be Used Using Modern Materials - Anchors And Reinforced Concrete Rings.