Tenders Are Invited For Ventilation Installation Work – Installation Of Window And Wall Ventilators To Window Frames

Ventilation Installation Work – Installation Of Window And Wall Ventilators To Window Frames. The Subject Of The Order Is: Installation Of Window And Wall Vents For Window Frames. The Scope Of Work Includes The Delivery And Installation Of Window Vents For Window Frames In Premises Owned By The Commune Of Siemianowice Śląskie. The Order Will Be Processed Up To The Amount That The Ordering Party Intends To Allocate To Finance The Order. The Expected Number Of Air Vents Is 109 Pieces And May Be Increased Or Decreased. Installation Of Pressurized Window Ventilators In Which The Amount Of Air Supplied Depends On The Pressure Outside And Inside The Room, The Ventilator Efficiency Is To Reach A Value Of (25 M3/H At A Pressure Difference Of 10Pa For A Pvc Window). With Further Growth, The Design Of The Hood Is Intended To Limit The Amount Of Air Supplied. The User Must Be Able To Close The Shutter, Limiting The Air Flow To A Minimum (7M3/H At A Pressure Difference Of 10Pa For A Pvc Window). The Diffuser Must Be Equipped With A Slider Enabling Smooth Regulation Of The Amount Of Air Supplied By Changing The Damper Opening Degree. The Device Must Remain Tight Against The Penetration Of Rainwater In The Closed Position At A Pressure Difference Of 300Pa For A Pvc Window. Diffusers Should Have Itb Technical Approval Confirming The Previously Mentioned Parameters. For Their Proper Operation And In Accordance With Pn-83/B-03430/Az3 Of 2000, They Should Be Installed In The Upper Part Of The Windows. The Contractor Will Provide The Ordering Party With A Quality Guarantee For The Works That Are The Subject Of The Order For A Period Of 60 Months, Counting From The Day Following The Day Of The Official Acceptance Without Reservations Of The Entire Subject Of The Order, Performed Under The Conditions Specified In The Terms Of Reference.