Tenders Are Invited For Comprehensive Renovation Of Sections F And G Of The South-Eastern Part Historic Walls Of Książ Castle In Wałbrzych

4.1. The Subject Of The Order Is The Comprehensive Renovation Of Sections F And G Of The South-Eastern Part Of The Historic Walls Of Książ Castle In Wałbrzych, Including: 1) Construction And Conservation Works On Sections Of The Oldest Part Of The External Stone Walls On The South-Eastern Side (The So-Called Section F And G With A Total Length Of Approx. 208 M, Including A Rounded Bay Window); 2) Strengthening And Stabilization Of The Existing Structure Of The Walls, Improving Them Load-Bearing Capacity, Ensuring Long-Term Durability And Safety Of The Structure;3) Construction To Protect The Existing Walls Against Further Damage And Restoring Their Visual Values In Accordance With Conservation Work Programs4) Preservation Of The Existing Original Historic Substance, Taking Into Account The Necessary Works Allowing For The Proper Exposure Of Monuments;4.2. The Renovation Of The Preserved Wall Fragments Envisages Their Preservation In Their Original Layout.4.3. The Implementation Of The Subject Of The Order Includes, Among Others: 1) Preparatory Works - Removing Greenery From The Wall, Securing The Area, Clearing Debris And Preparing Work Zones, Assembly Of Scaffolding; 2) Preparatory And Basic Conservation Works - Cleaning The Wall, Mechanical And Chemical Removal Of Dirt, Moss, Calcifications And Loose Fragments, Filling The Wall And Grouting, Sealing, Consolidation, Installation Of Covers, Strengthening Treatments, Hydrophobization;3) Repair Construction Works - Pasting Rods, Injection Of Cracks And Cracks - Sealing And Structural Strengthening Of The Walls By Introducing Appropriate Injection Masses As A Reinforcement Of Cracked Zones Or Those Requiring Structural Integration, Including Works On The Bay Window, Due To The Catastrophic Technical Condition Of The Stone Bay Window, It Is Assumed That This Element Will Be Rebuilt And A Reinforced Concrete Ring Will Be Made On Its Fragment As An Element That Strengthens And Fastens Its Structure); Rebuilding Sections F And G Of The Walls And Filling In The Gaps - Filling In The Missing Fragments With Mineral Joint And Stone Consistent With The Original Structure; Making A Reinforced Concrete Ring Inside The Stone Wall - To Improve Spatial Stiffness; Renovation Of The Wall Drainage System - Cleaning, Supplementing Or Replacing Water Drainage Elements;4) Cleaning Works - Dismantling Scaffolding, Waste Removal, Preparation Of A Report On Conservation Works;5) Information On Deformations And Displacements - Diagnostic Measurements Of Existing Walls - Monitoring Geometric Changes Of The Structure Over Time.4.4. The Technical Condition Of The Walls - Along The Length Of Sections F And G - Is Variable, Fragments Of The Walls Are In Good Condition, Most Of Them Are In Satisfactory Condition, With Local Conditions Being Average, Poor, And Even Disastrous In The Area Of ​​The Stone Bay Window. This Is The Oldest Part Of The Castle Walls, Which At The Base Dates Back To The End Of The 15Th Century.