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    BBC - The Five Billion Pound Super Sewer (2018)

    Posted By: notbanned
    720p (HD) / HDTV
    BBC - The Five Billion Pound Super Sewer (2018)

    BBC - The Five Billion Pound Super Sewer (2018)
    HDTV | 1280x720 | .MP4/AVC @ 3200 Kbps | 3x~58min | 4.13 GiB
    Audio: English AAC 160 kbps, 2 channels | Subs: English
    Genre: Documentary

    London's Victorian sewer network is at bursting point. Its tunnels are regularly pushed past their limit, and each week the equivalent of 300 Olympic swimming pools full of raw sewage is released into the Thames, totalling 39 million tonnes every year. Now a huge engineering project is underway to massively expand the capital's capacity to deal with its own waste.

    Part 1:
    The first episode follows the creation of the first stretch of the supersewer in east London. Lead engineer Emmanuel Costes has to build a massive 80-metre deep shaft that connects to the supersewer and make it watertight using a specialist technique called 'slipform'. It is a risky approach as it involves pouring concrete constantly for 15 days - and delays could spell financial disaster.

    Part 2:
    In this second episode, construction begins in the heart of London. Two key connection shafts along the Thames are to be dug to enable the super-sewer to be built. In Battersea, a challenging construction technique called 'diaphragm-walling' is employed to build a massive 90-metre-deep shaft. But these are the deepest tunnels ever dug in London, and with challenging rocks that haven't been disturbed for 52 million years, the digger struggles to cut through the ground.

    Part 3:
    In this third and final episode of the series, tunnelling in central London finally begins. To complete the 16-mile main section of the super sewer, four bespoke tunnelling machines have been designed and work is underway to prepare for their launch. In Battersea, one of the strategically most important sites on the project, the team must assemble the �15m tunnel boring machines on site.

    General
    Complete name : BBC.The.Five.Billion.Pound.Super.Sewer.Series.1.1of3.720p.mp4
    Format : MPEG-4
    Format profile : Base Media
    Codec ID : isom (isom)
    File size : 1.37 GiB
    Duration : 58 min 46 s
    Overall bit rate mode : Variable
    Overall bit rate : 3 349 kb/s

    Video
    ID : 1
    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : High@L4.1
    Format settings, CABAC : Yes
    Format settings, ReFrames : 4 frames
    Codec ID : avc1
    Codec ID/Info : Advanced Video Coding
    Duration : 58 min 46 s
    Bit rate : 3 200 kb/s
    Maximum bit rate : 14.7 Mb/s
    Width : 1 280 pixels
    Height : 720 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Constant
    Frame rate : 25.000 FPS
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.139
    Stream size : 1.31 GiB (95%)
    Encoding settings : cabac=1 / ref=1 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=2 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=0 / threads=6 / lookahead_threads=2 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=1 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=10 / rc=abr / mbtree=1 / bitrate=3200 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / vbv_maxrate=62500 / vbv_bufsize=78125 / nal_hrd=none / ip_ratio=1.40 / aq=1:1.00
    Encoded date : UTC 2018-07-31 23:43:31
    Tagged date : UTC 2018-08-01 07:56:15
    Color range : Limited
    Color primaries : BT.709
    Transfer characteristics : BT.709
    Matrix coefficients : BT.709

    Audio
    ID : 2
    Format : AAC
    Format/Info : Advanced Audio Codec
    Format profile : LC
    Codec ID : 40
    Duration : 58 min 46 s
    Bit rate mode : Variable
    Bit rate : 160 kb/s
    Maximum bit rate : 203 kb/s
    Channel(s) : 2 channels
    Channel positions : Front: L R
    Sampling rate : 48.0 kHz
    Frame rate : 46.875 FPS (1024 spf)
    Compression mode : Lossy
    Stream size : 67.3 MiB (5%)
    Language : English
    Encoded date : UTC 2018-08-01 07:56:09
    Tagged date : UTC 2018-08-01 07:56:15

    Text
    ID : 3
    Format : Timed Text
    Codec ID : tx3g
    Duration : 58 min 16 s
    Bit rate mode : Variable
    Bit rate : 215 b/s
    Stream size : 91.8 KiB (0%)
    Forced : No
    Encoded date : UTC 2018-08-01 07:56:15
    Tagged date : UTC 2018-08-01 07:56:15


    Screenshots:

    BBC - The Five Billion Pound Super Sewer (2018)

    BBC - The Five Billion Pound Super Sewer (2018)

    BBC - The Five Billion Pound Super Sewer (2018)

    BBC - The Five Billion Pound Super Sewer (2018)